122666744 has 8 divisors (see below), whose sum is σ = 230000160. Its totient is φ = 61333368.

The previous prime is 122666737. The next prime is 122666759. The reversal of 122666744 is 447666221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122666698 and 122666707.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7666664 + ... + 7666679.

It is an arithmetic number, because the mean of its divisors is an integer number (28750020).

Almost surely, 2^122666744 is an apocalyptic number.

It is an amenable number.

122666744 is a deficient number, since it is larger than the sum of its proper divisors (107333416).

122666744 is a wasteful number, since it uses less digits than its factorization.

122666744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15333349 (or 15333345 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 122666744 is about 11075.5019750800. The cubic root of 122666744 is about 496.8694319959.

The spelling of 122666744 in words is "one hundred twenty-two million, six hundred sixty-six thousand, seven hundred forty-four".