122315894 has 16 divisors (see below), whose sum is σ = 189828096. Its totient is φ = 59049000.

The previous prime is 122315887. The next prime is 122315903. The reversal of 122315894 is 498513221.

It is a super-2 number, since 2×122315894² = 29922355850038472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28169 + ... + 32219.

It is an arithmetic number, because the mean of its divisors is an integer number (11864256).

Almost surely, 2^122315894 is an apocalyptic number.

122315894 is a deficient number, since it is larger than the sum of its proper divisors (67512202).

122315894 is a wasteful number, since it uses less digits than its factorization.

122315894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its digits is 17280, while the sum is 35.

The square root of 122315894 is about 11059.6516219997. The cubic root of 122315894 is about 496.3952662428.

The spelling of 122315894 in words is "one hundred twenty-two million, three hundred fifteen thousand, eight hundred ninety-four".