971125971 has 8 divisors (see below), whose sum is σ = 1295124480. Its totient is φ = 647272392.

The previous prime is 971125963. The next prime is 971125993. The reversal of 971125971 is 179521179.

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

It is not a de Polignac number, because 971125971 - 2³ = 971125963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971125931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19491 + ... + 48188.

It is an arithmetic number, because the mean of its divisors is an integer number (161890560).

Almost surely, 2^971125971 is an apocalyptic number.

971125971 is a deficient number, since it is larger than the sum of its proper divisors (323998509).

971125971 is a wasteful number, since it uses less digits than its factorization.

971125971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72465.

The product of its digits is 39690, while the sum is 42.

The square root of 971125971 is about 31162.8941370984. The cubic root of 971125971 is about 990.2811740887.

The spelling of 971125971 in words is "nine hundred seventy-one million, one hundred twenty-five thousand, nine hundred seventy-one".