1157238902 has 8 divisors (see below), whose sum is σ = 1736970816. Its totient is φ = 578248632.

The previous prime is 1157238893. The next prime is 1157238913. The reversal of 1157238902 is 2098327511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181493 + ... + 187760.

It is an arithmetic number, because the mean of its divisors is an integer number (217121352).

Almost surely, 2^1157238902 is an apocalyptic number.

1157238902 is a deficient number, since it is larger than the sum of its proper divisors (579731914).

1157238902 is a wasteful number, since it uses less digits than its factorization.

1157238902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370822.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1157238902 is about 34018.2142682417. The cubic root of 1157238902 is about 1049.8832529305.

The spelling of 1157238902 in words is "one billion, one hundred fifty-seven million, two hundred thirty-eight thousand, nine hundred two".