122086172 has 48 divisors (see below), whose sum is σ = 250605600. Its totient is φ = 51528960.

The previous prime is 122086171. The next prime is 122086187. The reversal of 122086172 is 271680221.

It is a super-2 number, since 2×122086172² = 29810066787227168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122086171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26522 + ... + 30782.

It is an arithmetic number, because the mean of its divisors is an integer number (5220950).

Almost surely, 2^122086172 is an apocalyptic number.

It is an amenable number.

122086172 is an abundant number, since it is smaller than the sum of its proper divisors (128519428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122086172 is a wasteful number, since it uses less digits than its factorization.

122086172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 122086172 is about 11049.2611517694. The cubic root of 122086172 is about 496.0843108067.

The spelling of 122086172 in words is "one hundred twenty-two million, eighty-six thousand, one hundred seventy-two".