121560630 has 16 divisors (see below), whose sum is σ = 291745584. Its totient is φ = 32416160.

The previous prime is 121560601. The next prime is 121560653. The reversal of 121560630 is 36065121.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 121560630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025981 + ... + 2026040.

It is an arithmetic number, because the mean of its divisors is an integer number (18234099).

Almost surely, 2^121560630 is an apocalyptic number.

121560630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121560630 is an abundant number, since it is smaller than the sum of its proper divisors (170184954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121560630 is a wasteful number, since it uses less digits than its factorization.

121560630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052031.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 121560630 is about 11025.4537321600. The cubic root of 121560630 is about 495.3714587573.

The spelling of 121560630 in words is "one hundred twenty-one million, five hundred sixty thousand, six hundred thirty".