122440525 has 12 divisors (see below), whose sum is σ = 152287252. Its totient is φ = 97655040.

The previous prime is 122440519. The next prime is 122440531. The reversal of 122440525 is 525044221.

It is an interprime number because it is at equal distance from previous prime (122440519) and next prime (122440531).

It can be written as a sum of positive squares in 6 ways, for example, as 6081156 + 116359369 = 2466^2 + 10787^2 .

It is not a de Polignac number, because 122440525 - 2⁹ = 122440013 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 a self number, because there is not a number n which added to its sum of digits gives 122440525.

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, 1159 + ... + 15691.

Almost surely, 2^122440525 is an apocalyptic number.

It is an amenable number.

122440525 is a deficient number, since it is larger than the sum of its proper divisors (29846727).

122440525 is a wasteful number, since it uses less digits than its factorization.

122440525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14880 (or 14875 counting only the distinct ones).

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

The square root of 122440525 is about 11065.2846777659. The cubic root of 122440525 is about 496.5638059038.

Adding to 122440525 its reverse (525044221), we get a palindrome (647484746).

The spelling of 122440525 in words is "one hundred twenty-two million, four hundred forty thousand, five hundred twenty-five".