122117907747 has 24 divisors (see below), whose sum is σ = 180982665360. Its totient is φ = 73179251200.

The previous prime is 122117907697. The next prime is 122117907767. The reversal of 122117907747 is 747709711221.

It is not a de Polignac number, because 122117907747 - 2¹¹ = 122117905699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122117907696 and 122117907705.

It is not an unprimeable number, because it can be changed into a prime (122117907767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1857654 + ... + 1922267.

It is an arithmetic number, because the mean of its divisors is an integer number (7540944390).

Almost surely, 2^122117907747 is an apocalyptic number.

122117907747 is a deficient number, since it is larger than the sum of its proper divisors (58864757613).

122117907747 is a wasteful number, since it uses less digits than its factorization.

122117907747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780035 (or 3780024 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 48.

The spelling of 122117907747 in words is "one hundred twenty-two billion, one hundred seventeen million, nine hundred seven thousand, seven hundred forty-seven".