122125025 has 48 divisors (see below), whose sum is σ = 177095808. Its totient is φ = 82560000.

The previous prime is 122125021. The next prime is 122125033. The reversal of 122125025 is 520521221.

It is a happy number.

It is not a de Polignac number, because 122125025 - 2² = 122125021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122124988 and 122125006.

It is not an unprimeable number, because it can be changed into a prime (122125021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 705839 + ... + 706011.

It is an arithmetic number, because the mean of its divisors is an integer number (3689496).

Almost surely, 2^122125025 is an apocalyptic number.

It is an amenable number.

122125025 is a deficient number, since it is larger than the sum of its proper divisors (54970783).

122125025 is a wasteful number, since it uses less digits than its factorization.

122125025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 122125025 is about 11051.0191837676. The cubic root of 122125025 is about 496.1369302506.

Adding to 122125025 its reverse (520521221), we get a palindrome (642646246).

The spelling of 122125025 in words is "one hundred twenty-two million, one hundred twenty-five thousand, twenty-five".