122479828 has 12 divisors (see below), whose sum is σ = 217359072. Its totient is φ = 60377240.

The previous prime is 122479823. The next prime is 122479837. The reversal of 122479828 is 828974221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122479823) 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, 215350 + ... + 215917.

It is an arithmetic number, because the mean of its divisors is an integer number (18113256).

Almost surely, 2^122479828 is an apocalyptic number.

It is an amenable number.

122479828 is a deficient number, since it is larger than the sum of its proper divisors (94879244).

122479828 is a wasteful number, since it uses less digits than its factorization.

122479828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431342 (or 431340 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 122479828 is about 11067.0604950005. The cubic root of 122479828 is about 496.6169319947.

The spelling of 122479828 in words is "one hundred twenty-two million, four hundred seventy-nine thousand, eight hundred twenty-eight".