120551355 has 16 divisors (see below), whose sum is σ = 214313760. Its totient is φ = 64293984.

The previous prime is 120551339. The next prime is 120551383. The reversal of 120551355 is 553155021.

It is not a de Polignac number, because 120551355 - 2⁴ = 120551339 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446352 + ... + 446621.

It is an arithmetic number, because the mean of its divisors is an integer number (13394610).

Almost surely, 2^120551355 is an apocalyptic number.

120551355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120551355 is a deficient number, since it is larger than the sum of its proper divisors (93762405).

120551355 is an equidigital number, since it uses as much as digits as its factorization.

120551355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892987 (or 892981 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 120551355 is about 10979.5881070284. The cubic root of 120551355 is about 493.9966821612.

The spelling of 120551355 in words is "one hundred twenty million, five hundred fifty-one thousand, three hundred fifty-five".