120504355 has 4 divisors (see below), whose sum is σ = 144605232. Its totient is φ = 96403480.

The previous prime is 120504299. The next prime is 120504359. The reversal of 120504355 is 553405021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120504355 - 2¹⁵ = 120471587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120504359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12050431 + ... + 12050440.

It is an arithmetic number, because the mean of its divisors is an integer number (36151308).

Almost surely, 2^120504355 is an apocalyptic number.

120504355 is a deficient number, since it is larger than the sum of its proper divisors (24100877).

120504355 is an equidigital number, since it uses as much as digits as its factorization.

120504355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24100876.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 120504355 is about 10977.4475630722. The cubic root of 120504355 is about 493.9324747754.

Adding to 120504355 its reverse (553405021), we get a palindrome (673909376).

The spelling of 120504355 in words is "one hundred twenty million, five hundred four thousand, three hundred fifty-five".