122839480436 has 12 divisors (see below), whose sum is σ = 214979002560. Its totient is φ = 61416908280.

The previous prime is 122839480433. The next prime is 122839480441. The reversal of 122839480436 is 634084938221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122839480433) 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, 608846 + ... + 785093.

It is an arithmetic number, because the mean of its divisors is an integer number (17914916880).

Almost surely, 2^122839480436 is an apocalyptic number.

It is an amenable number.

122839480436 is a deficient number, since it is larger than the sum of its proper divisors (92139522124).

122839480436 is a wasteful number, since it uses less digits than its factorization.

122839480436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415974 (or 1415972 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 122839480436 in words is "one hundred twenty-two billion, eight hundred thirty-nine million, four hundred eighty thousand, four hundred thirty-six".