120650550 has 24 divisors (see below), whose sum is σ = 299213736. Its totient is φ = 32173440.

The previous prime is 120650539. The next prime is 120650567. The reversal of 120650550 is 55056021.

It is a self number, because there is not a number n which added to its sum of digits gives 120650550.

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, 402019 + ... + 402318.

It is an arithmetic number, because the mean of its divisors is an integer number (12467239).

Almost surely, 2^120650550 is an apocalyptic number.

120650550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120650550 is an abundant number, since it is smaller than the sum of its proper divisors (178563186).

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

120650550 is a wasteful number, since it uses less digits than its factorization.

120650550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804352 (or 804347 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 120650550 is about 10984.1044241212. The cubic root of 120650550 is about 494.1321391391.

The spelling of 120650550 in words is "one hundred twenty million, six hundred fifty thousand, five hundred fifty".