122777288244 has 96 divisors (see below), whose sum is σ = 346001120640. Its totient is φ = 37424519424.

The previous prime is 122777288201. The next prime is 122777288273. The reversal of 122777288244 is 442882777221.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258409 + ... + 558864.

It is an arithmetic number, because the mean of its divisors is an integer number (3604178340).

Almost surely, 2^122777288244 is an apocalyptic number.

It is an amenable number.

122777288244 is an abundant number, since it is smaller than the sum of its proper divisors (223223832396).

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

122777288244 is a wasteful number, since it uses less digits than its factorization.

122777288244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817406 (or 817398 counting only the distinct ones).

The product of its digits is 5619712, while the sum is 54.

The spelling of 122777288244 in words is "one hundred twenty-two billion, seven hundred seventy-seven million, two hundred eighty-eight thousand, two hundred forty-four".