120661850 has 24 divisors (see below), whose sum is σ = 225440928. Its totient is φ = 48047600.

The previous prime is 120661829. The next prime is 120661883. The reversal of 120661850 is 58166021.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 6035 + ... + 16665.

It is an arithmetic number, because the mean of its divisors is an integer number (9393372).

Almost surely, 2^120661850 is an apocalyptic number.

120661850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120661850 is a deficient number, since it is larger than the sum of its proper divisors (104779078).

120661850 is a wasteful number, since it uses less digits than its factorization.

120661850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870 (or 10865 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 120661850 is about 10984.6187917469. The cubic root of 120661850 is about 494.1475652847.

The spelling of 120661850 in words is "one hundred twenty million, six hundred sixty-one thousand, eight hundred fifty".