120304215 has 24 divisors (see below), whose sum is σ = 209634048. Its totient is φ = 63821760.

The previous prime is 120304199. The next prime is 120304253. The reversal of 120304215 is 512403021.

It is not a de Polignac number, because 120304215 - 2⁴ = 120304199 is a prime.

It is a congruent number.

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, 1597 + ... + 15593.

It is an arithmetic number, because the mean of its divisors is an integer number (8734752).

Almost surely, 2^120304215 is an apocalyptic number.

120304215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120304215 is a deficient number, since it is larger than the sum of its proper divisors (89329833).

120304215 is a wasteful number, since it uses less digits than its factorization.

120304215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14199 (or 14196 counting only the distinct ones).

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

The square root of 120304215 is about 10968.3278123878. The cubic root of 120304215 is about 493.6588735315.

Adding to 120304215 its reverse (512403021), we get a palindrome (632707236).

The spelling of 120304215 in words is "one hundred twenty million, three hundred four thousand, two hundred fifteen".