121385425 has 48 divisors (see below), whose sum is σ = 178238592. Its totient is φ = 80294400.

The previous prime is 121385413. The next prime is 121385501. The reversal of 121385425 is 524583121.

It is not a de Polignac number, because 121385425 - 2⁵ = 121385393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 885957 + ... + 886093.

It is an arithmetic number, because the mean of its divisors is an integer number (3713304).

Almost surely, 2^121385425 is an apocalyptic number.

It is an amenable number.

121385425 is a deficient number, since it is larger than the sum of its proper divisors (56853167).

121385425 is a wasteful number, since it uses less digits than its factorization.

121385425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 293 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 121385425 is about 11017.5053891523. The cubic root of 121385425 is about 495.1333518217.

The spelling of 121385425 in words is "one hundred twenty-one million, three hundred eighty-five thousand, four hundred twenty-five".