120245715 has 40 divisors (see below), whose sum is σ = 216406080. Its totient is φ = 63877248.

The previous prime is 120245707. The next prime is 120245729. The reversal of 120245715 is 517542021.

120245715 is a `hidden beast` number, since 1 + 202 + 457 + 1 + 5 = 666.

It is not a de Polignac number, because 120245715 - 2³ = 120245707 is a prime.

It is a super-2 number, since 2×120245715² = 28918063951722450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 148231 + ... + 149039.

It is an arithmetic number, because the mean of its divisors is an integer number (5410152).

Almost surely, 2^120245715 is an apocalyptic number.

120245715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120245715 is a deficient number, since it is larger than the sum of its proper divisors (96160365).

120245715 is an equidigital number, since it uses as much as digits as its factorization.

120245715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 120245715 is about 10965.6607188076. The cubic root of 120245715 is about 493.5788438436.

Adding to 120245715 its reverse (517542021), we get a palindrome (637787736).

The spelling of 120245715 in words is "one hundred twenty million, two hundred forty-five thousand, seven hundred fifteen".