123708772 has 24 divisors (see below), whose sum is σ = 248603040. Its totient is φ = 53271360.

The previous prime is 123708769. The next prime is 123708803. The reversal of 123708772 is 277807321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73153 + ... + 74824.

It is an arithmetic number, because the mean of its divisors is an integer number (10358460).

Almost surely, 2^123708772 is an apocalyptic number.

It is an amenable number.

123708772 is an abundant number, since it is smaller than the sum of its proper divisors (124894268).

123708772 is a wasteful number, since it uses less digits than its factorization.

123708772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148011 (or 148009 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 123708772 is about 11122.4445154831. Note that the first 3 decimals coincide. The cubic root of 123708772 is about 498.2724003404.

The spelling of 123708772 in words is "one hundred twenty-three million, seven hundred eight thousand, seven hundred seventy-two".