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125118045 = 325131723547
BaseRepresentation
bin1110111010100…
…10011001011101
322201102122200200
413131102121131
5224012234140
620225414113
73046325433
oct735223135
9281378620
10125118045
1164698048
1235a9a339
131cbc9660
141288cd53
15aeb7030
hex775265d

125118045 has 96 divisors (see below), whose sum is σ = 258515712. Its totient is φ = 55351296.

The previous prime is 125118029. The next prime is 125118083. The reversal of 125118045 is 540811521.

It is not a de Polignac number, because 125118045 - 24 = 125118029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228462 + ... + 229008.

It is an arithmetic number, because the mean of its divisors is an integer number (2692872).

Almost surely, 2125118045 is an apocalyptic number.

125118045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125118045 is an abundant number, since it is smaller than the sum of its proper divisors (133397667).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125118045 is a wasteful number, since it uses less digits than its factorization.

125118045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 125118045 is about 11185.6177746247. The cubic root of 125118045 is about 500.1573438140.

Adding to 125118045 its reverse (540811521), we get a palindrome (665929566).

The spelling of 125118045 in words is "one hundred twenty-five million, one hundred eighteen thousand, forty-five".

Divisors: 1 3 5 9 13 15 17 23 39 45 51 65 69 85 115 117 153 195 207 221 255 299 345 391 547 585 663 765 897 1035 1105 1173 1495 1641 1955 1989 2691 2735 3315 3519 4485 4923 5083 5865 7111 8205 9299 9945 12581 13455 15249 17595 21333 24615 25415 27897 35555 37743 45747 46495 62905 63999 76245 83691 106665 113229 120887 139485 163553 188715 213877 228735 319995 362661 418455 490659 566145 604435 641631 817765 1069385 1087983 1471977 1813305 1924893 2453295 2780401 3208155 5439915 7359885 8341203 9624465 13902005 25023609 41706015 125118045