971779122 has 48 divisors (see below), whose sum is σ = 2142009792. Its totient is φ = 318336480.

The previous prime is 971779069. The next prime is 971779153. The reversal of 971779122 is 221977179.

It is a happy number.

971779122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 760348 + ... + 761624.

It is an arithmetic number, because the mean of its divisors is an integer number (44625204).

Almost surely, 2^971779122 is an apocalyptic number.

971779122 is an abundant number, since it is smaller than the sum of its proper divisors (1170230670).

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

971779122 is a wasteful number, since it uses less digits than its factorization.

971779122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1980 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The square root of 971779122 is about 31173.3720023997. The cubic root of 971779122 is about 990.5031357447.

The spelling of 971779122 in words is "nine hundred seventy-one million, seven hundred seventy-nine thousand, one hundred twenty-two".