120065550 has 48 divisors (see below), whose sum is σ = 324836352. Its totient is φ = 29106400.

The previous prime is 120065527. The next prime is 120065557. The reversal of 120065550 is 55560021.

It is a self number, because there is not a number n which added to its sum of digits gives 120065550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120065557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34734 + ... + 38033.

It is an arithmetic number, because the mean of its divisors is an integer number (6767424).

Almost surely, 2^120065550 is an apocalyptic number.

120065550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120065550 is an abundant number, since it is smaller than the sum of its proper divisors (204770802).

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

120065550 is a wasteful number, since it uses less digits than its factorization.

120065550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72793 (or 72788 counting only the distinct ones).

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

The square root of 120065550 is about 10957.4426760992. The cubic root of 120065550 is about 493.3322097410.

The spelling of 120065550 in words is "one hundred twenty million, sixty-five thousand, five hundred fifty".