517072122 has 48 divisors (see below), whose sum is σ = 1281646080. Its totient is φ = 147587616.

The previous prime is 517072097. The next prime is 517072139. The reversal of 517072122 is 221270715.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220468 + ... + 222800.

It is an arithmetic number, because the mean of its divisors is an integer number (26700960).

Almost surely, 2^517072122 is an apocalyptic number.

517072122 is an abundant number, since it is smaller than the sum of its proper divisors (764573958).

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

517072122 is a wasteful number, since it uses less digits than its factorization.

517072122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107 (or 4104 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 517072122 is about 22739.2199074638. The cubic root of 517072122 is about 802.6330544807.

The spelling of 517072122 in words is "five hundred seventeen million, seventy-two thousand, one hundred twenty-two".