120057255 has 16 divisors (see below), whose sum is σ = 213435360. Its totient is φ = 64030464.

The previous prime is 120057253. The next prime is 120057277. The reversal of 120057255 is 552750021.

It is a happy number.

It is not a de Polignac number, because 120057255 - 2¹ = 120057253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120057251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444522 + ... + 444791.

It is an arithmetic number, because the mean of its divisors is an integer number (13339710).

Almost surely, 2^120057255 is an apocalyptic number.

120057255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120057255 is a deficient number, since it is larger than the sum of its proper divisors (93378105).

120057255 is an equidigital number, since it uses as much as digits as its factorization.

120057255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889327 (or 889321 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 120057255 is about 10957.0641597099. The cubic root of 120057255 is about 493.3208484889.

The spelling of 120057255 in words is "one hundred twenty million, fifty-seven thousand, two hundred fifty-five".