971111042 has 16 divisors (see below), whose sum is σ = 1596629664. Its totient is φ = 439320000.

The previous prime is 971111021. The next prime is 971111047. The reversal of 971111042 is 240111179.

It is not an unprimeable number, because it can be changed into a prime (971111047) 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, 99959 + ... + 109242.

It is an arithmetic number, because the mean of its divisors is an integer number (99789354).

Almost surely, 2^971111042 is an apocalyptic number.

971111042 is a deficient number, since it is larger than the sum of its proper divisors (625518622).

971111042 is a wasteful number, since it uses less digits than its factorization.

971111042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209425.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 971111042 is about 31162.6546045102. The cubic root of 971111042 is about 990.2760995725.

The spelling of 971111042 in words is "nine hundred seventy-one million, one hundred eleven thousand, forty-two".