122124925 has 18 divisors (see below), whose sum is σ = 163350222. Its totient is φ = 90037440.

The previous prime is 122124883. The next prime is 122124931. The reversal of 122124925 is 529421221.

It can be written as a sum of positive squares in 9 ways, for example, as 120582361 + 1542564 = 10981^2 + 1242^2 .

It is not a de Polignac number, because 122124925 - 2⁷ = 122124797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122124893 and 122124902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 198919 + ... + 199531.

Almost surely, 2^122124925 is an apocalyptic number.

It is an amenable number.

122124925 is a deficient number, since it is larger than the sum of its proper divisors (41225297).

122124925 is an frugal number, since it uses more digits than its factorization.

122124925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 631 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 122124925 is about 11051.0146592971. The cubic root of 122124925 is about 496.1367948328.

The spelling of 122124925 in words is "one hundred twenty-two million, one hundred twenty-four thousand, nine hundred twenty-five".