122791044 has 12 divisors (see below), whose sum is σ = 286512464. Its totient is φ = 40930344.

The previous prime is 122791033. The next prime is 122791057. The reversal of 122791044 is 440197221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5116282 + ... + 5116305.

Almost surely, 2^122791044 is an apocalyptic number.

It is an amenable number.

122791044 is an abundant number, since it is smaller than the sum of its proper divisors (163721420).

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

122791044 is a wasteful number, since it uses less digits than its factorization.

122791044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10232594 (or 10232592 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 122791044 is about 11081.1120380583. The cubic root of 122791044 is about 497.0372036866.

The spelling of 122791044 in words is "one hundred twenty-two million, seven hundred ninety-one thousand, forty-four".