122347735647 has 16 divisors (see below), whose sum is σ = 163517905920. Its totient is φ = 81371439072.

The previous prime is 122347735621. The next prime is 122347735649. The reversal of 122347735647 is 746537743221.

It is not a de Polignac number, because 122347735647 - 2⁶ = 122347735583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122347735647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122347735649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11160693 + ... + 11171649.

It is an arithmetic number, because the mean of its divisors is an integer number (10219869120).

Almost surely, 2^122347735647 is an apocalyptic number.

122347735647 is a deficient number, since it is larger than the sum of its proper divisors (41170170273).

122347735647 is a wasteful number, since it uses less digits than its factorization.

122347735647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19462.

The product of its digits is 5927040, while the sum is 51.

The spelling of 122347735647 in words is "one hundred twenty-two billion, three hundred forty-seven million, seven hundred thirty-five thousand, six hundred forty-seven".