120999950 has 24 divisors (see below), whose sum is σ = 227597040. Its totient is φ = 47854400.

The previous prime is 120999947. The next prime is 120999997. The reversal of 120999950 is 59999021.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 9146 + ... + 18045.

It is an arithmetic number, because the mean of its divisors is an integer number (9483210).

Almost surely, 2^120999950 is an apocalyptic number.

120999950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120999950 is a deficient number, since it is larger than the sum of its proper divisors (106597090).

120999950 is a wasteful number, since it uses less digits than its factorization.

120999950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27292 (or 27287 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 120999950 is about 10999.9977272725. The cubic root of 120999950 is about 494.6086761969.

The spelling of 120999950 in words is "one hundred twenty million, nine hundred ninety-nine thousand, nine hundred fifty".