122854859 has 2 divisors, whose sum is σ = 122854860. Its totient is φ = 122854858.

The previous prime is 122854841. The next prime is 122854861. The reversal of 122854859 is 958458221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122854859 - 2⁸ = 122854603 is a prime.

It is a Sophie Germain prime.

Together with 122854861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122854889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61427429 + 61427430.

It is an arithmetic number, because the mean of its divisors is an integer number (61427430).

Almost surely, 2^122854859 is an apocalyptic number.

122854859 is a deficient number, since it is larger than the sum of its proper divisors (1).

122854859 is an equidigital number, since it uses as much as digits as its factorization.

122854859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 44.

The square root of 122854859 is about 11083.9911133129. The cubic root of 122854859 is about 497.1232928534.

The spelling of 122854859 in words is "one hundred twenty-two million, eight hundred fifty-four thousand, eight hundred fifty-nine".