123089122 has 32 divisors (see below), whose sum is σ = 202633200. Its totient is φ = 56070144.

The previous prime is 123089107. The next prime is 123089143. The reversal of 123089122 is 221980321.

It can be written as a sum of positive squares in 8 ways, for example, as 6859161 + 116229961 = 2619^2 + 10781^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 478818 + ... + 479074.

Almost surely, 2^123089122 is an apocalyptic number.

123089122 is a deficient number, since it is larger than the sum of its proper divisors (79544078).

123089122 is a wasteful number, since it uses less digits than its factorization.

123089122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 123089122 is about 11094.5537089150. The cubic root of 123089122 is about 497.4390683186.

The spelling of 123089122 in words is "one hundred twenty-three million, eighty-nine thousand, one hundred twenty-two".