122552750656 has 84 divisors (see below), whose sum is σ = 283416347568. Its totient is φ = 52425854208.

The previous prime is 122552750653. The next prime is 122552750659. The reversal of 122552750656 is 656057255221.

It is an interprime number because it is at equal distance from previous prime (122552750653) and next prime (122552750659).

It is not an unprimeable number, because it can be changed into a prime (122552750653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1679671 + ... + 1751113.

Almost surely, 2^122552750656 is an apocalyptic number.

122552750656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122552750656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141708173784).

122552750656 is an abundant number, since it is smaller than the sum of its proper divisors (160863596912).

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

122552750656 is an equidigital number, since it uses as much as digits as its factorization.

122552750656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72016 (or 71999 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 122552750656 in words is "one hundred twenty-two billion, five hundred fifty-two million, seven hundred fifty thousand, six hundred fifty-six".