120385451 has 4 divisors (see below), whose sum is σ = 120453312. Its totient is φ = 120317592.

The previous prime is 120385403. The next prime is 120385477. The reversal of 120385451 is 154583021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154583021 = 29 ⋅5330449.

It is a cyclic number.

It is not a de Polignac number, because 120385451 - 2¹⁰ = 120384427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125385451) 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, 31196 + ... + 34841.

It is an arithmetic number, because the mean of its divisors is an integer number (30113328).

Almost surely, 2^120385451 is an apocalyptic number.

120385451 is a deficient number, since it is larger than the sum of its proper divisors (67861).

120385451 is an equidigital number, since it uses as much as digits as its factorization.

120385451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67860.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 120385451 is about 10972.0303955102. The cubic root of 120385451 is about 493.7699637070.

The spelling of 120385451 in words is "one hundred twenty million, three hundred eighty-five thousand, four hundred fifty-one".