1157729372 has 12 divisors (see below), whose sum is σ = 2026961496. Its totient is φ = 578597520.

The previous prime is 1157729351. The next prime is 1157729383. The reversal of 1157729372 is 2739277511.

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, 56879 + ... + 74502.

It is an arithmetic number, because the mean of its divisors is an integer number (168913458).

Almost surely, 2^1157729372 is an apocalyptic number.

It is an amenable number.

1157729372 is a deficient number, since it is larger than the sum of its proper divisors (869232124).

1157729372 is a wasteful number, since it uses less digits than its factorization.

1157729372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133588 (or 133586 counting only the distinct ones).

The product of its digits is 185220, while the sum is 44.

The square root of 1157729372 is about 34025.4224367604. The cubic root of 1157729372 is about 1050.0315552119.

The spelling of 1157729372 in words is "one billion, one hundred fifty-seven million, seven hundred twenty-nine thousand, three hundred seventy-two".