123006872 has 16 divisors (see below), whose sum is σ = 230769000. Its totient is φ = 61468480.

The previous prime is 123006859. The next prime is 123006887. The reversal of 123006872 is 278600321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16379 + ... + 22677.

Almost surely, 2^123006872 is an apocalyptic number.

It is an amenable number.

123006872 is a deficient number, since it is larger than the sum of its proper divisors (107762128).

123006872 is a wasteful number, since it uses less digits than its factorization.

123006872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746 (or 8742 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 123006872 is about 11090.8463157687. The cubic root of 123006872 is about 497.3282448781.

The spelling of 123006872 in words is "one hundred twenty-three million, six thousand, eight hundred seventy-two".