122150979 has 12 divisors (see below), whose sum is σ = 180194976. Its totient is φ = 79701072.

The previous prime is 122150969. The next prime is 122150989. The reversal of 122150979 is 979051221.

It is an interprime number because it is at equal distance from previous prime (122150969) and next prime (122150989).

It is not a de Polignac number, because 122150979 - 2⁵ = 122150947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122150939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143964 + ... + 144809.

It is an arithmetic number, because the mean of its divisors is an integer number (15016248).

Almost surely, 2^122150979 is an apocalyptic number.

122150979 is a deficient number, since it is larger than the sum of its proper divisors (58043997).

122150979 is a wasteful number, since it uses less digits than its factorization.

122150979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288826 (or 288823 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 122150979 is about 11052.1934022166. The cubic root of 122150979 is about 496.1720740873.

The spelling of 122150979 in words is "one hundred twenty-two million, one hundred fifty thousand, nine hundred seventy-nine".