122742637496 has 8 divisors (see below), whose sum is σ = 230142445320. Its totient is φ = 61371318744.

The previous prime is 122742637477. The next prime is 122742637517. The reversal of 122742637496 is 694736247221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671414836 + ... + 7671414851.

It is an arithmetic number, because the mean of its divisors is an integer number (28767805665).

Almost surely, 2^122742637496 is an apocalyptic number.

It is an amenable number.

122742637496 is a deficient number, since it is larger than the sum of its proper divisors (107399807824).

122742637496 is a wasteful number, since it uses less digits than its factorization.

122742637496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15342829693 (or 15342829689 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 53.

The spelling of 122742637496 in words is "one hundred twenty-two billion, seven hundred forty-two million, six hundred thirty-seven thousand, four hundred ninety-six".