122808583 has 4 divisors (see below), whose sum is σ = 122843160. Its totient is φ = 122774008.

The previous prime is 122808551. The next prime is 122808593. The reversal of 122808583 is 385808221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122808583 - 2⁵ = 122808551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122808503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11260 + ... + 19297.

It is an arithmetic number, because the mean of its divisors is an integer number (30710790).

Almost surely, 2^122808583 is an apocalyptic number.

122808583 is a deficient number, since it is larger than the sum of its proper divisors (34577).

122808583 is an equidigital number, since it uses as much as digits as its factorization.

122808583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34576.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 122808583 is about 11081.9034014920. The cubic root of 122808583 is about 497.0608675201.

The spelling of 122808583 in words is "one hundred twenty-two million, eight hundred eight thousand, five hundred eighty-three".