120472015 has 4 divisors (see below), whose sum is σ = 144566424. Its totient is φ = 96377608.

The previous prime is 120472007. The next prime is 120472031. The reversal of 120472015 is 510274021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120472015 - 2³ = 120472007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12047197 + ... + 12047206.

It is an arithmetic number, because the mean of its divisors is an integer number (36141606).

Almost surely, 2^120472015 is an apocalyptic number.

120472015 is a deficient number, since it is larger than the sum of its proper divisors (24094409).

120472015 is an equidigital number, since it uses as much as digits as its factorization.

120472015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24094408.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 120472015 is about 10975.9744442122. The cubic root of 120472015 is about 493.8882849329. Note that the first 3 decimals are identical.

The spelling of 120472015 in words is "one hundred twenty million, four hundred seventy-two thousand, fifteen".