123051112 has 8 divisors (see below), whose sum is σ = 230720850. Its totient is φ = 61525552.

The previous prime is 123051109. The next prime is 123051139. The reversal of 123051112 is 211150321.

It can be written as a sum of positive squares in only one way, i.e., 108868356 + 14182756 = 10434^2 + 3766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7690687 + ... + 7690702.

Almost surely, 2^123051112 is an apocalyptic number.

It is an amenable number.

123051112 is a deficient number, since it is larger than the sum of its proper divisors (107669738).

123051112 is a wasteful number, since it uses less digits than its factorization.

123051112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15381395 (or 15381391 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 123051112 is about 11092.8405739919. The cubic root of 123051112 is about 497.3878598791.

The spelling of 123051112 in words is "one hundred twenty-three million, fifty-one thousand, one hundred twelve".