122568839 has 8 divisors (see below), whose sum is σ = 124250112. Its totient is φ = 120892600.

The previous prime is 122568811. The next prime is 122568841. The reversal of 122568839 is 938865221.

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 122568839 - 2⁸ = 122568583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122568839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122568139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94892 + ... + 96174.

It is an arithmetic number, because the mean of its divisors is an integer number (15531264).

Almost surely, 2^122568839 is an apocalyptic number.

122568839 is a deficient number, since it is larger than the sum of its proper divisors (1681273).

122568839 is a wasteful number, since it uses less digits than its factorization.

122568839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517.

The product of its digits is 207360, while the sum is 44.

The square root of 122568839 is about 11071.0812028455. The cubic root of 122568839 is about 496.7372066729.

The spelling of 122568839 in words is "one hundred twenty-two million, five hundred sixty-eight thousand, eight hundred thirty-nine".