120620635 has 8 divisors (see below), whose sum is σ = 144883296. Its totient is φ = 96404160.

The previous prime is 120620609. The next prime is 120620639. The reversal of 120620635 is 536026021.

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

It is not a de Polignac number, because 120620635 - 2¹⁷ = 120489563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120620639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5511 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (18110412).

Almost surely, 2^120620635 is an apocalyptic number.

120620635 is a deficient number, since it is larger than the sum of its proper divisors (24262661).

120620635 is a wasteful number, since it uses less digits than its factorization.

120620635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23093.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 120620635 is about 10982.7425991871. The cubic root of 120620635 is about 494.0912961568.

Adding to 120620635 its reverse (536026021), we get a palindrome (656646656).

The spelling of 120620635 in words is "one hundred twenty million, six hundred twenty thousand, six hundred thirty-five".