120751515 has 24 divisors (see below), whose sum is σ = 210242448. Its totient is φ = 64111680.

The previous prime is 120751483. The next prime is 120751523. The reversal of 120751515 is 515157021.

It is not a de Polignac number, because 120751515 - 2⁵ = 120751483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4305 + ... + 16125.

It is an arithmetic number, because the mean of its divisors is an integer number (8760102).

Almost surely, 2^120751515 is an apocalyptic number.

120751515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120751515 is a deficient number, since it is larger than the sum of its proper divisors (89490933).

120751515 is a wasteful number, since it uses less digits than its factorization.

120751515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12059 (or 12056 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 120751515 is about 10988.6994225886. The cubic root of 120751515 is about 494.2699369396.

The spelling of 120751515 in words is "one hundred twenty million, seven hundred fifty-one thousand, five hundred fifteen".