1157899196 has 6 divisors (see below), whose sum is σ = 2026323600. Its totient is φ = 578949596.

The previous prime is 1157899187. The next prime is 1157899199. The reversal of 1157899196 is 6919987511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157899199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144737396 + ... + 144737403.

It is an arithmetic number, because the mean of its divisors is an integer number (337720600).

Almost surely, 2^1157899196 is an apocalyptic number.

It is an amenable number.

1157899196 is a deficient number, since it is larger than the sum of its proper divisors (868424404).

1157899196 is a wasteful number, since it uses less digits than its factorization.

1157899196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289474803 (or 289474801 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 56.

The square root of 1157899196 is about 34027.9178910494. The cubic root of 1157899196 is about 1050.0828947405.

The spelling of 1157899196 in words is "one billion, one hundred fifty-seven million, eight hundred ninety-nine thousand, one hundred ninety-six".