120865630 has 16 divisors (see below), whose sum is σ = 221246640. Its totient is φ = 47526592.

The previous prime is 120865627. The next prime is 120865639. The reversal of 120865630 is 36568021.

It is a junction number, because it is equal to n+sod(n) for n = 120865592 and 120865601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120865639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101839 + ... + 103018.

It is an arithmetic number, because the mean of its divisors is an integer number (13827915).

Almost surely, 2^120865630 is an apocalyptic number.

120865630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120865630 is a deficient number, since it is larger than the sum of its proper divisors (100381010).

120865630 is a wasteful number, since it uses less digits than its factorization.

120865630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204923.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 120865630 is about 10993.8905761336. The cubic root of 120865630 is about 494.4255895217.

The spelling of 120865630 in words is "one hundred twenty million, eight hundred sixty-five thousand, six hundred thirty".