122544025 has 12 divisors (see below), whose sum is σ = 152553852. Its totient is φ = 97648640.

The previous prime is 122544017. The next prime is 122544067. The reversal of 122544025 is 520445221.

It can be written as a sum of positive squares in 6 ways, for example, as 2663424 + 119880601 = 1632^2 + 10949^2 .

It is not a de Polignac number, because 122544025 - 2³ = 122544017 is a prime.

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

It is a Duffinian 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, 3112 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (12712821).

Almost surely, 2^122544025 is an apocalyptic number.

It is an amenable number.

122544025 is a deficient number, since it is larger than the sum of its proper divisors (30009827).

122544025 is a wasteful number, since it uses less digits than its factorization.

122544025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19340 (or 19335 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 122544025 is about 11069.9604787009. The cubic root of 122544025 is about 496.7036830110.

Adding to 122544025 its reverse (520445221), we get a palindrome (642989246).

The spelling of 122544025 in words is "one hundred twenty-two million, five hundred forty-four thousand, twenty-five".