871265122 has 64 divisors (see below), whose sum is σ = 1668522240. Its totient is φ = 332004096.

The previous prime is 871265117. The next prime is 871265123. The reversal of 871265122 is 221562178.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (871265123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733413 + ... + 734599.

It is an arithmetic number, because the mean of its divisors is an integer number (26070660).

Almost surely, 2^871265122 is an apocalyptic number.

871265122 is a deficient number, since it is larger than the sum of its proper divisors (797257118).

871265122 is a wasteful number, since it uses less digits than its factorization.

871265122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355.

The product of its digits is 13440, while the sum is 34.

The square root of 871265122 is about 29517.2004431315. The cubic root of 871265122 is about 955.1027810762.

The spelling of 871265122 in words is "eight hundred seventy-one million, two hundred sixty-five thousand, one hundred twenty-two".