102121325 has 24 divisors (see below), whose sum is σ = 132729600. Its totient is φ = 77837760.

The previous prime is 102121303. The next prime is 102121339. The reversal of 102121325 is 523121201.

It is a happy number.

It is not a de Polignac number, because 102121325 - 2⁸ = 102121069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56384 + ... + 58166.

It is an arithmetic number, because the mean of its divisors is an integer number (5530400).

Almost surely, 2^102121325 is an apocalyptic number.

It is an amenable number.

102121325 is a deficient number, since it is larger than the sum of its proper divisors (30608275).

102121325 is a wasteful number, since it uses less digits than its factorization.

102121325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 102121325 is about 10105.5096358373. The cubic root of 102121325 is about 467.4180511606.

Adding to 102121325 its reverse (523121201), we get a palindrome (625242526).

The spelling of 102121325 in words is "one hundred two million, one hundred twenty-one thousand, three hundred twenty-five".