122972196 has 12 divisors (see below), whose sum is σ = 286935152. Its totient is φ = 40990728.

The previous prime is 122972173. The next prime is 122972197. The reversal of 122972196 is 691279221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (122972197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5123830 + ... + 5123853.

Almost surely, 2^122972196 is an apocalyptic number.

It is an amenable number.

122972196 is an abundant number, since it is smaller than the sum of its proper divisors (163962956).

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

122972196 is a wasteful number, since it uses less digits than its factorization.

122972196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247690 (or 10247688 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 122972196 is about 11089.2829344372. The cubic root of 122972196 is about 497.2815077197.

The spelling of 122972196 in words is "one hundred twenty-two million, nine hundred seventy-two thousand, one hundred ninety-six".