122553255724 has 24 divisors (see below), whose sum is σ = 215198091360. Its totient is φ = 61068169344.

The previous prime is 122553255709. The next prime is 122553255763. The reversal of 122553255724 is 427552355221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9795657 + ... + 9808159.

It is an arithmetic number, because the mean of its divisors is an integer number (8966587140).

Almost surely, 2^122553255724 is an apocalyptic number.

It is an amenable number.

122553255724 is a deficient number, since it is larger than the sum of its proper divisors (92644835636).

122553255724 is a wasteful number, since it uses less digits than its factorization.

122553255724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20649 (or 20647 counting only the distinct ones).

The product of its digits is 840000, while the sum is 43.

The spelling of 122553255724 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred fifty-five thousand, seven hundred twenty-four".