121625630 has 32 divisors (see below), whose sum is σ = 250810560. Its totient is φ = 41598720.

The previous prime is 121625611. The next prime is 121625641. The reversal of 121625630 is 36526121.

It is a self number, because there is not a number n which added to its sum of digits gives 121625630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30386 + ... + 34154.

It is an arithmetic number, because the mean of its divisors is an integer number (7837830).

Almost surely, 2^121625630 is an apocalyptic number.

121625630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121625630 is an abundant number, since it is smaller than the sum of its proper divisors (129184930).

121625630 is a wasteful number, since it uses less digits than its factorization.

121625630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 121625630 is about 11028.4010627108. The cubic root of 121625630 is about 495.4597368109.

The spelling of 121625630 in words is "one hundred twenty-one million, six hundred twenty-five thousand, six hundred thirty".