122772455260 has 192 divisors, whose sum is σ = 334462867200. Its totient is φ = 36806934528.

The previous prime is 122772455237. The next prime is 122772455291. The reversal of 122772455260 is 62554277221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2775396 + ... + 2819284.

It is an arithmetic number, because the mean of its divisors is an integer number (1741994100).

Almost surely, 2^122772455260 is an apocalyptic number.

122772455260 is a gapful number since it is divisible by the number (10) 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 122772455260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167231433600).

122772455260 is an abundant number, since it is smaller than the sum of its proper divisors (211690411940).

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

122772455260 is a wasteful number, since it uses less digits than its factorization.

122772455260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44000 (or 43998 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 122772455260 in words is "one hundred twenty-two billion, seven hundred seventy-two million, four hundred fifty-five thousand, two hundred sixty".