122009975 has 12 divisors (see below), whose sum is σ = 154148616. Its totient is φ = 95765280.

The previous prime is 122009971. The next prime is 122009977. The reversal of 122009975 is 579900221.

It is not a de Polignac number, because 122009975 - 2² = 122009971 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122009971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44717 + ... + 47366.

It is an arithmetic number, because the mean of its divisors is an integer number (12845718).

Almost surely, 2^122009975 is an apocalyptic number.

122009975 is a deficient number, since it is larger than the sum of its proper divisors (32138641).

122009975 is an equidigital number, since it uses as much as digits as its factorization.

122009975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92146 (or 92141 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 122009975 is about 11045.8125549911. The cubic root of 122009975 is about 495.9810831647.

The spelling of 122009975 in words is "one hundred twenty-two million, nine thousand, nine hundred seventy-five".