122553277798 has 40 divisors (see below), whose sum is σ = 214557832440. Its totient is φ = 52497768960.

The previous prime is 122553277703. The next prime is 122553277799. The reversal of 122553277798 is 897772355221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553277799) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12907833 + ... + 12917323.

It is an arithmetic number, because the mean of its divisors is an integer number (5363945811).

Almost surely, 2^122553277798 is an apocalyptic number.

122553277798 is a deficient number, since it is larger than the sum of its proper divisors (92004554642).

122553277798 is an frugal number, since it uses more digits than its factorization.

122553277798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210 (or 12189 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 58.

The spelling of 122553277798 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred seventy-seven thousand, seven hundred ninety-eight".