122357855 has 16 divisors (see below), whose sum is σ = 149510784. Its totient is φ = 96111360.

The previous prime is 122357849. The next prime is 122357903. The reversal of 122357855 is 558753221.

It is not a de Polignac number, because 122357855 - 2⁴ = 122357839 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98297 + ... + 99533.

It is an arithmetic number, because the mean of its divisors is an integer number (9344424).

Almost surely, 2^122357855 is an apocalyptic number.

122357855 is a deficient number, since it is larger than the sum of its proper divisors (27152929).

122357855 is a wasteful number, since it uses less digits than its factorization.

122357855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 84000, while the sum is 38.

The square root of 122357855 is about 11061.5484901527. The cubic root of 122357855 is about 496.4520232722.

The spelling of 122357855 in words is "one hundred twenty-two million, three hundred fifty-seven thousand, eight hundred fifty-five".