120564451 has 6 divisors (see below), whose sum is σ = 140248500. Its totient is φ = 103340916.

The previous prime is 120564439. The next prime is 120564547. The reversal of 120564451 is 154465021.

It is not a de Polignac number, because 120564451 - 2⁵ = 120564419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120564151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1230201 + ... + 1230298.

It is an arithmetic number, because the mean of its divisors is an integer number (23374750).

Almost surely, 2^120564451 is an apocalyptic number.

120564451 is a deficient number, since it is larger than the sum of its proper divisors (19684049).

120564451 is an equidigital number, since it uses as much as digits as its factorization.

120564451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460513 (or 2460506 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 120564451 is about 10980.1844702172. The cubic root of 120564451 is about 494.0145698249.

It can be divided in two parts, 1205 and 64451, that added together give a palindrome (65656).

The spelling of 120564451 in words is "one hundred twenty million, five hundred sixty-four thousand, four hundred fifty-one".