120622563 has 12 divisors (see below), whose sum is σ = 175197568. Its totient is φ = 79969680.

The previous prime is 120622547. The next prime is 120622589. The reversal of 120622563 is 365226021.

It is not a de Polignac number, because 120622563 - 2⁴ = 120622547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120622763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35395 + ... + 38652.

Almost surely, 2^120622563 is an apocalyptic number.

120622563 is a deficient number, since it is larger than the sum of its proper divisors (54575005).

120622563 is a wasteful number, since it uses less digits than its factorization.

120622563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74234 (or 74231 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 120622563 is about 10982.8303729048. The cubic root of 120622563 is about 494.0939286609.

Adding to 120622563 its reverse (365226021), we get a palindrome (485848584).

The spelling of 120622563 in words is "one hundred twenty million, six hundred twenty-two thousand, five hundred sixty-three".