120315451 has 8 divisors (see below), whose sum is σ = 123489360. Its totient is φ = 117182208.

The previous prime is 120315439. The next prime is 120315479. The reversal of 120315451 is 154513021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120315451 - 2¹⁵ = 120282683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120315491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4126 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (15436170).

Almost surely, 2^120315451 is an apocalyptic number.

120315451 is a deficient number, since it is larger than the sum of its proper divisors (3173909).

120315451 is an equidigital number, since it uses as much as digits as its factorization.

120315451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20333.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 120315451 is about 10968.8400024798. The cubic root of 120315451 is about 493.6742417335.

Adding to 120315451 its reverse (154513021), we get a palindrome (274828472).

The spelling of 120315451 in words is "one hundred twenty million, three hundred fifteen thousand, four hundred fifty-one".