102122525 has 12 divisors (see below), whose sum is σ = 130717824. Its totient is φ = 79062000.

The previous prime is 102122483. The next prime is 102122561. The reversal of 102122525 is 525221201.

It is a happy number.

It is not a de Polignac number, because 102122525 - 2²⁰ = 101073949 is a prime.

It is a super-2 number, since 2×102122525² = 20858020224751250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102122497 and 102122506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65111 + ... + 66660.

It is an arithmetic number, because the mean of its divisors is an integer number (10893152).

Almost surely, 2^102122525 is an apocalyptic number.

It is an amenable number.

102122525 is a deficient number, since it is larger than the sum of its proper divisors (28595299).

102122525 is a wasteful number, since it uses less digits than its factorization.

102122525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131812 (or 131807 counting only the distinct ones).

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

The square root of 102122525 is about 10105.5690092147. The cubic root of 102122525 is about 467.4198819877.

Adding to 102122525 its reverse (525221201), we get a palindrome (627343726).

The spelling of 102122525 in words is "one hundred two million, one hundred twenty-two thousand, five hundred twenty-five".