122776667142 has 16 divisors (see below), whose sum is σ = 246487000320. Its totient is φ = 40769944712.

The previous prime is 122776667141. The next prime is 122776667159. The reversal of 122776667142 is 241766677221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122776667141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38901042 + ... + 38904197.

It is an arithmetic number, because the mean of its divisors is an integer number (15405437520).

Almost surely, 2^122776667142 is an apocalyptic number.

122776667142 is an abundant number, since it is smaller than the sum of its proper divisors (123710333178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122776667142 is a wasteful number, since it uses less digits than its factorization.

122776667142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77805507.

The product of its digits is 2370816, while the sum is 51.

The spelling of 122776667142 in words is "one hundred twenty-two billion, seven hundred seventy-six million, six hundred sixty-seven thousand, one hundred forty-two".