1156354012 has 24 divisors (see below), whose sum is σ = 2217503232. Its totient is φ = 523254000.

The previous prime is 1156354009. The next prime is 1156354021. The reversal of 1156354012 is 2104536511.

It is a super-2 number, since 2×1156354012² = 2674309202136992288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49114 + ... + 68737.

It is an arithmetic number, because the mean of its divisors is an integer number (92395968).

Almost surely, 2^1156354012 is an apocalyptic number.

It is an amenable number.

1156354012 is a deficient number, since it is larger than the sum of its proper divisors (1061149220).

1156354012 is a wasteful number, since it uses less digits than its factorization.

1156354012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118089 (or 118087 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1156354012 is about 34005.2056603103. The cubic root of 1156354012 is about 1049.6155847514.

The spelling of 1156354012 in words is "one billion, one hundred fifty-six million, three hundred fifty-four thousand, twelve".