122413525 has 12 divisors (see below), whose sum is σ = 163469572. Its totient is φ = 90397440.

The previous prime is 122413493. The next prime is 122413541. The reversal of 122413525 is 525314221.

It can be written as a sum of positive squares in 6 ways, for example, as 576081 + 121837444 = 759^2 + 11038^2 .

It is not a de Polignac number, because 122413525 - 2⁵ = 122413493 is a prime.

It is a super-2 number, since 2×122413525² = 29970142205851250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122413525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188004 + ... + 188653.

Almost surely, 2^122413525 is an apocalyptic number.

It is an amenable number.

122413525 is a deficient number, since it is larger than the sum of its proper divisors (41056047).

122413525 is a wasteful number, since it uses less digits than its factorization.

122413525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376680 (or 376675 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 122413525 is about 11064.0645786257. The cubic root of 122413525 is about 496.5273032606.

Adding to 122413525 its reverse (525314221), we get a palindrome (647727746).

The spelling of 122413525 in words is "one hundred twenty-two million, four hundred thirteen thousand, five hundred twenty-five".