120402315 has 64 divisors (see below), whose sum is σ = 236390400. Its totient is φ = 57657600.

The previous prime is 120402311. The next prime is 120402323. The reversal of 120402315 is 513204021.

It is not a de Polignac number, because 120402315 - 2² = 120402311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120402311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131710 + ... + 132620.

It is an arithmetic number, because the mean of its divisors is an integer number (3693600).

Almost surely, 2^120402315 is an apocalyptic number.

120402315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120402315 is a deficient number, since it is larger than the sum of its proper divisors (115988085).

120402315 is a wasteful number, since it uses less digits than its factorization.

120402315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120402315 is about 10972.7988681102. The cubic root of 120402315 is about 493.7930189511.

Adding to 120402315 its reverse (513204021), we get a palindrome (633606336).

The spelling of 120402315 in words is "one hundred twenty million, four hundred two thousand, three hundred fifteen".