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120136120 = 23513231031
BaseRepresentation
bin1110010100100…
…10000110111000
322101001112202221
413022102012320
5221223323440
615530533424
72656066036
oct712220670
9271045687
10120136120
11618a5055
1234297274
131bb73b80
1411d53556
15a830d4a
hex72921b8

120136120 has 32 divisors (see below), whose sum is σ = 291100320. Its totient is φ = 44357760.

The previous prime is 120136117. The next prime is 120136123. The reversal of 120136120 is 21631021.

It is an interprime number because it is at equal distance from previous prime (120136117) and next prime (120136123).

It is a junction number, because it is equal to n+sod(n) for n = 120136094 and 120136103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120136123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114996 + ... + 116035.

It is an arithmetic number, because the mean of its divisors is an integer number (9096885).

Almost surely, 2120136120 is an apocalyptic number.

120136120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120136120 is an abundant number, since it is smaller than the sum of its proper divisors (170964200).

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

120136120 is a wasteful number, since it uses less digits than its factorization.

120136120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231055 (or 231051 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 120136120 is about 10960.6623887428. The cubic root of 120136120 is about 493.4288448301.

Adding to 120136120 its reverse (21631021), we get a palindrome (141767141).

The spelling of 120136120 in words is "one hundred twenty million, one hundred thirty-six thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 231031 462062 924124 1155155 1848248 2310310 3003403 4620620 6006806 9241240 12013612 15017015 24027224 30034030 60068060 120136120