122879125 has 16 divisors (see below), whose sum is σ = 154887408. Its totient is φ = 97320000.

The previous prime is 122879083. The next prime is 122879143. The reversal of 122879125 is 521978221.

It can be written as a sum of positive squares in 8 ways, for example, as 1306449 + 121572676 = 1143^2 + 11026^2 .

It is not a de Polignac number, because 122879125 - 2⁷ = 122878997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7759 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (9680463).

Almost surely, 2^122879125 is an apocalyptic number.

It is an amenable number.

122879125 is a deficient number, since it is larger than the sum of its proper divisors (32008283).

122879125 is an equidigital number, since it uses as much as digits as its factorization.

122879125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849 (or 9839 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 122879125 is about 11085.0857010670. The cubic root of 122879125 is about 497.1560209027.

It can be divided in two parts, 12287 and 9125, that added together give a palindrome (21412).

The spelling of 122879125 in words is "one hundred twenty-two million, eight hundred seventy-nine thousand, one hundred twenty-five".