120445015 has 4 divisors (see below), whose sum is σ = 144534024. Its totient is φ = 96356008.

The previous prime is 120444979. The next prime is 120445079. The reversal of 120445015 is 510544021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510544021 = 13 ⋅39272617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120445015 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, 12044497 + ... + 12044506.

It is an arithmetic number, because the mean of its divisors is an integer number (36133506).

Almost surely, 2^120445015 is an apocalyptic number.

120445015 is a deficient number, since it is larger than the sum of its proper divisors (24089009).

120445015 is an equidigital number, since it uses as much as digits as its factorization.

120445015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24089008.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 120445015 is about 10974.7444161584. The cubic root of 120445015 is about 493.8513856856.

Adding to 120445015 its reverse (510544021), we get a palindrome (630989036).

The spelling of 120445015 in words is "one hundred twenty million, four hundred forty-five thousand, fifteen".