1157274725 has 24 divisors (see below), whose sum is σ = 1487985120. Its totient is φ = 891800000.

The previous prime is 1157274661. The next prime is 1157274751. The reversal of 1157274725 is 5274727511.

It is not a de Polignac number, because 1157274725 - 2⁶ = 1157274661 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354350 + ... + 357600.

It is an arithmetic number, because the mean of its divisors is an integer number (61999380).

Almost surely, 2^1157274725 is an apocalyptic number.

It is an amenable number.

1157274725 is a deficient number, since it is larger than the sum of its proper divisors (330710395).

1157274725 is a wasteful number, since it uses less digits than its factorization.

1157274725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3776 counting only the distinct ones).

The product of its digits is 137200, while the sum is 41.

The square root of 1157274725 is about 34018.7407909229. The cubic root of 1157274725 is about 1049.8940860666.

The spelling of 1157274725 in words is "one billion, one hundred fifty-seven million, two hundred seventy-four thousand, seven hundred twenty-five".