122754315564 has 96 divisors (see below), whose sum is σ = 339545606400. Its totient is φ = 38217104640.

The previous prime is 122754315559. The next prime is 122754315599. The reversal of 122754315564 is 465513457221.

122754315564 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 54 + 31 + 5 + 564 = 666.

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, 14674 + ... + 495705.

It is an arithmetic number, because the mean of its divisors is an integer number (3536933400).

Almost surely, 2^122754315564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122754315564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169772803200).

122754315564 is an abundant number, since it is smaller than the sum of its proper divisors (216791290836).

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

122754315564 is a wasteful number, since it uses less digits than its factorization.

122754315564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510540 (or 510532 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 122754315564 in words is "one hundred twenty-two billion, seven hundred fifty-four million, three hundred fifteen thousand, five hundred sixty-four".