122195136 has 224 divisors, whose sum is σ = 397946880. Its totient is φ = 32338944.

The previous prime is 122195123. The next prime is 122195147. The reversal of 122195136 is 631591221.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1823775 + ... + 1823841.

Almost surely, 2^122195136 is an apocalyptic number.

122195136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122195136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198973440).

122195136 is an abundant number, since it is smaller than the sum of its proper divisors (275751744).

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

122195136 is a wasteful number, since it uses less digits than its factorization.

122195136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 122195136 is about 11054.1908794810. The cubic root of 122195136 is about 496.2318548355.

The spelling of 122195136 in words is "one hundred twenty-two million, one hundred ninety-five thousand, one hundred thirty-six".