129479022 has 24 divisors (see below), whose sum is σ = 280748520. Its totient is φ = 43127280.

The previous prime is 129478991. The next prime is 129479057. The reversal of 129479022 is 220974921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41497 + ... + 44507.

It is an arithmetic number, because the mean of its divisors is an integer number (11697855).

Almost surely, 2^129479022 is an apocalyptic number.

129479022 is an abundant number, since it is smaller than the sum of its proper divisors (151269498).

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

129479022 is a wasteful number, since it uses less digits than its factorization.

129479022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408 (or 5405 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 129479022 is about 11378.8849190068. The cubic root of 129479022 is about 505.9020859666.

The spelling of 129479022 in words is "one hundred twenty-nine million, four hundred seventy-nine thousand, twenty-two".