1161392 has 20 divisors (see below), whose sum is σ = 2328720. Its totient is φ = 560448.

The previous prime is 1161371. The next prime is 1161397. The reversal of 1161392 is 2931611.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1161397) 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, 788 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (116436).

2^1161392 is an apocalyptic number.

It is an amenable number.

1161392 is an abundant number, since it is smaller than the sum of its proper divisors (1167328).

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

1161392 is a wasteful number, since it uses less digits than its factorization.

1161392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2534 counting only the distinct ones).

The product of its digits is 324, while the sum is 23.

The square root of 1161392 is about 1077.6789874541. The cubic root of 1161392 is about 105.1137693526.

The spelling of 1161392 in words is "one million, one hundred sixty-one thousand, three hundred ninety-two".