122771724 has 12 divisors (see below), whose sum is σ = 286467384. Its totient is φ = 40923904.

The previous prime is 122771707. The next prime is 122771729. The reversal of 122771724 is 427177221.

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 (122771729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5115477 + ... + 5115500.

It is an arithmetic number, because the mean of its divisors is an integer number (23872282).

Almost surely, 2^122771724 is an apocalyptic number.

It is an amenable number.

122771724 is an abundant number, since it is smaller than the sum of its proper divisors (163695660).

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

122771724 is a wasteful number, since it uses less digits than its factorization.

122771724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10230984 (or 10230982 counting only the distinct ones).

The product of its digits is 10976, while the sum is 33.

The square root of 122771724 is about 11080.2402501029. The cubic root of 122771724 is about 497.0111342976.

The spelling of 122771724 in words is "one hundred twenty-two million, seven hundred seventy-one thousand, seven hundred twenty-four".