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1392941 = 11126631
BaseRepresentation
bin101010100000100101101
32121202202102
411110010231
5324033231
645504445
714561024
oct5240455
92552672
101392941
118715a0
12572125
1339a034
142838bb
151c7acb
hex15412d

1392941 has 4 divisors (see below), whose sum is σ = 1519584. Its totient is φ = 1266300.

The previous prime is 1392901. The next prime is 1392943. The reversal of 1392941 is 1492931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1492931 = 11135721.

It is a cyclic number.

It is not a de Polignac number, because 1392941 - 26 = 1392877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63305 + ... + 63326.

It is an arithmetic number, because the mean of its divisors is an integer number (379896).

21392941 is an apocalyptic number.

1392941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1392941 is a deficient number, since it is larger than the sum of its proper divisors (126643).

1392941 is a wasteful number, since it uses less digits than its factorization.

1392941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126642.

The product of its digits is 1944, while the sum is 29.

The square root of 1392941 is about 1180.2292150256. The cubic root of 1392941 is about 111.6805576640.

The spelling of 1392941 in words is "one million, three hundred ninety-two thousand, nine hundred forty-one".

Divisors: 1 11 126631 1392941