120620615 has 8 divisors (see below), whose sum is σ = 144886560. Its totient is φ = 96401952.

The previous prime is 120620609. The next prime is 120620639. The reversal of 120620615 is 516026021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120620615 - 2⁸ = 120620359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5939 + ... + 16628.

It is an arithmetic number, because the mean of its divisors is an integer number (18110820).

Almost surely, 2^120620615 is an apocalyptic number.

120620615 is a deficient number, since it is larger than the sum of its proper divisors (24265945).

120620615 is a wasteful number, since it uses less digits than its factorization.

120620615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23641.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 120620615 is about 10982.7416886677. The cubic root of 120620615 is about 494.0912688486.

Adding to 120620615 its reverse (516026021), we get a palindrome (636646636).

The spelling of 120620615 in words is "one hundred twenty million, six hundred twenty thousand, six hundred fifteen".