122939199007 has 4 divisors (see below), whose sum is σ = 122939994456. Its totient is φ = 122938403560.

The previous prime is 122939199001. The next prime is 122939199049. The reversal of 122939199007 is 700991939221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122939199007 - 2¹⁵ = 122939166239 is a prime.

It is a super-2 number, since 2×122939199007² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122939199001) 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, 82744 + ... + 502717.

It is an arithmetic number, because the mean of its divisors is an integer number (30734998614).

Almost surely, 2^122939199007 is an apocalyptic number.

122939199007 is a deficient number, since it is larger than the sum of its proper divisors (795449).

122939199007 is an equidigital number, since it uses as much as digits as its factorization.

122939199007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795448.

The product of its (nonzero) digits is 551124, while the sum is 52.

The spelling of 122939199007 in words is "one hundred twenty-two billion, nine hundred thirty-nine million, one hundred ninety-nine thousand, seven".