122438879510 has 32 divisors (see below), whose sum is σ = 234785773152. Its totient is φ = 45811837440.

The previous prime is 122438879503. The next prime is 122438879579. The reversal of 122438879510 is 15978834221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2181581 + ... + 2237000.

It is an arithmetic number, because the mean of its divisors is an integer number (7337055411).

Almost surely, 2^122438879510 is an apocalyptic number.

122438879510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122438879510 is a deficient number, since it is larger than the sum of its proper divisors (112346893642).

122438879510 is a wasteful number, since it uses less digits than its factorization.

122438879510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418768.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 122438879510 in words is "one hundred twenty-two billion, four hundred thirty-eight million, eight hundred seventy-nine thousand, five hundred ten".