122673742251 has 16 divisors (see below), whose sum is σ = 164531606400. Its totient is φ = 81299480768.

The previous prime is 122673742237. The next prime is 122673742253. The reversal of 122673742251 is 152247376221.

It is a cyclic number.

It is not a de Polignac number, because 122673742251 - 2⁹ = 122673741739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122673742253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1713940 + ... + 1784078.

It is an arithmetic number, because the mean of its divisors is an integer number (10283225400).

Almost surely, 2^122673742251 is an apocalyptic number.

122673742251 is a deficient number, since it is larger than the sum of its proper divisors (41857864149).

122673742251 is a wasteful number, since it uses less digits than its factorization.

122673742251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73578.

The product of its digits is 282240, while the sum is 42.

The spelling of 122673742251 in words is "one hundred twenty-two billion, six hundred seventy-three million, seven hundred forty-two thousand, two hundred fifty-one".