1157831732 has 12 divisors (see below), whose sum is σ = 2027578560. Its totient is φ = 578523576.

The previous prime is 1157831729. The next prime is 1157831783. The reversal of 1157831732 is 2371387511.

It is a super-2 number, since 2×1157831732² = 2681148639252239648, 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91382 + ... + 103277.

It is an arithmetic number, because the mean of its divisors is an integer number (168964880).

Almost surely, 2^1157831732 is an apocalyptic number.

It is an amenable number.

1157831732 is a deficient number, since it is larger than the sum of its proper divisors (869746828).

1157831732 is a wasteful number, since it uses less digits than its factorization.

1157831732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196150 (or 196148 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 1157831732 is about 34026.9265729363. The cubic root of 1157831732 is about 1050.0625002857.

The spelling of 1157831732 in words is "one billion, one hundred fifty-seven million, eight hundred thirty-one thousand, seven hundred thirty-two".