122853839 has 2 divisors, whose sum is σ = 122853840. Its totient is φ = 122853838.

The previous prime is 122853823. The next prime is 122853851. The reversal of 122853839 is 938358221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122853839 - 2⁴ = 122853823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122853796 and 122853805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122853859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61426919 + 61426920.

It is an arithmetic number, because the mean of its divisors is an integer number (61426920).

Almost surely, 2^122853839 is an apocalyptic number.

122853839 is a deficient number, since it is larger than the sum of its proper divisors (1).

122853839 is an equidigital number, since it uses as much as digits as its factorization.

122853839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 122853839 is about 11083.9451009106. The cubic root of 122853839 is about 497.1219170642.

The spelling of 122853839 in words is "one hundred twenty-two million, eight hundred fifty-three thousand, eight hundred thirty-nine".