1971125496 has 32 divisors (see below), whose sum is σ = 5475349200. Its totient is φ = 657041760.

The previous prime is 1971125489. The next prime is 1971125509. The reversal of 1971125496 is 6945211791.

1971125496 is a `hidden beast` number, since 1 + 97 + 1 + 12 + 549 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4562575 + ... + 4563006.

Almost surely, 2^1971125496 is an apocalyptic number.

It is an amenable number.

1971125496 is an abundant number, since it is smaller than the sum of its proper divisors (3504223704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1971125496 is a wasteful number, since it uses less digits than its factorization.

1971125496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125596 (or 9125586 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 1971125496 is about 44397.3591106498. The cubic root of 1971125496 is about 1253.8283687175.

The spelling of 1971125496 in words is "one billion, nine hundred seventy-one million, one hundred twenty-five thousand, four hundred ninety-six".