917445552124122 has 384 divisors, whose sum is σ = 2570088925198080. Its totient is φ = 240918609899520.

The previous prime is 917445552124117. The next prime is 917445552124181. The reversal of 917445552124122 is 221421255544719.

917445552124122 is a `hidden beast` number, since 9 + 1 + 7 + 4 + 4 + 5 + 5 + 5 + 212 + 412 + 2 = 666.

It is a super-2 number, since 2×917445552124122² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9402223798 + ... + 9402321374.

It is an arithmetic number, because the mean of its divisors is an integer number (6692939909370).

Almost surely, 2^{917445552124122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 917445552124122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285044462599040).

917445552124122 is an abundant number, since it is smaller than the sum of its proper divisors (1652643373073958).

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

917445552124122 is a wasteful number, since it uses less digits than its factorization.

917445552124122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102523 (or 102510 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 917445552124122 in words is "nine hundred seventeen trillion, four hundred forty-five billion, five hundred fifty-two million, one hundred twenty-four thousand, one hundred twenty-two".