122163895 has 16 divisors (see below), whose sum is σ = 167938560. Its totient is φ = 83569824.

The previous prime is 122163889. The next prime is 122163913. The reversal of 122163895 is 598361221.

It is a cyclic number.

It is not a de Polignac number, because 122163895 - 2²⁵ = 88609463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11566 + ... + 19444.

It is an arithmetic number, because the mean of its divisors is an integer number (10496160).

Almost surely, 2^122163895 is an apocalyptic number.

122163895 is a deficient number, since it is larger than the sum of its proper divisors (45774665).

122163895 is an equidigital number, since it uses as much as digits as its factorization.

122163895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334.

The product of its digits is 25920, while the sum is 37.

The square root of 122163895 is about 11052.7777051744. Note that the first 4 decimals coincide. The cubic root of 122163895 is about 496.1895615516.

The spelling of 122163895 in words is "one hundred twenty-two million, one hundred sixty-three thousand, eight hundred ninety-five".