121635325 has 12 divisors (see below), whose sum is σ = 172374880. Its totient is φ = 83406960.

The previous prime is 121635307. The next prime is 121635341. The reversal of 121635325 is 523536121.

It is not a de Polignac number, because 121635325 - 2¹¹ = 121633277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121635293 and 121635302.

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, 347355 + ... + 347704.

Almost surely, 2^121635325 is an apocalyptic number.

It is an amenable number.

121635325 is a deficient number, since it is larger than the sum of its proper divisors (50739555).

121635325 is an equidigital number, since it uses as much as digits as its factorization.

121635325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695076 (or 695071 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 121635325 is about 11028.8406008973. The cubic root of 121635325 is about 495.4729011265.

The spelling of 121635325 in words is "one hundred twenty-one million, six hundred thirty-five thousand, three hundred twenty-five".