123070972 has 12 divisors (see below), whose sum is σ = 217387800. Its totient is φ = 60960176.

The previous prime is 123070949. The next prime is 123070993. The reversal of 123070972 is 279070321.

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, 143347 + ... + 144202.

It is an arithmetic number, because the mean of its divisors is an integer number (18115650).

Almost surely, 2^123070972 is an apocalyptic number.

It is an amenable number.

123070972 is a deficient number, since it is larger than the sum of its proper divisors (94316828).

123070972 is a wasteful number, since it uses less digits than its factorization.

123070972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287660 (or 287658 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 123070972 is about 11093.7357098500. The cubic root of 123070972 is about 497.4146173009.

The spelling of 123070972 in words is "one hundred twenty-three million, seventy thousand, nine hundred seventy-two".