122786667556 has 24 divisors (see below), whose sum is σ = 245594522880. Its totient is φ = 52618317312.

The previous prime is 122786667547. The next prime is 122786667587. The reversal of 122786667556 is 655766687221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122786667494 and 122786667503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151941 + ... + 518323.

It is an arithmetic number, because the mean of its divisors is an integer number (10233105120).

Almost surely, 2^122786667556 is an apocalyptic number.

It is an amenable number.

122786667556 is an abundant number, since it is smaller than the sum of its proper divisors (122807855324).

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

122786667556 is a wasteful number, since it uses less digits than its factorization.

122786667556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378363 (or 378361 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 61.

The spelling of 122786667556 in words is "one hundred twenty-two billion, seven hundred eighty-six million, six hundred sixty-seven thousand, five hundred fifty-six".