722901123 has 24 divisors (see below), whose sum is σ = 1211179008. Its totient is φ = 406918512.

The previous prime is 722901103. The next prime is 722901139. The reversal of 722901123 is 321109227.

It is not a de Polignac number, because 722901123 - 2⁹ = 722900611 is a prime.

It is a super-3 number, since 3×722901123³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (722901103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81411 + ... + 89852.

It is an arithmetic number, because the mean of its divisors is an integer number (50465792).

Almost surely, 2^722901123 is an apocalyptic number.

722901123 is a deficient number, since it is larger than the sum of its proper divisors (488277885).

722901123 is a wasteful number, since it uses less digits than its factorization.

722901123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171343 (or 171340 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 722901123 is about 26886.8206190319. The cubic root of 722901123 is about 897.4831422205.

The spelling of 722901123 in words is "seven hundred twenty-two million, nine hundred one thousand, one hundred twenty-three".