123500272 has 20 divisors (see below), whose sum is σ = 273465136. Its totient is φ = 52928640.

The previous prime is 123500269. The next prime is 123500309. The reversal of 123500272 is 272005321.

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, 551229 + ... + 551452.

Almost surely, 2^123500272 is an apocalyptic number.

It is an amenable number.

123500272 is an abundant number, since it is smaller than the sum of its proper divisors (149964864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123500272 is a wasteful number, since it uses less digits than its factorization.

123500272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102696 (or 1102690 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 123500272 is about 11113.0676232983. The cubic root of 123500272 is about 497.9923118333.

Adding to 123500272 its reverse (272005321), we get a palindrome (395505593).

The spelling of 123500272 in words is "one hundred twenty-three million, five hundred thousand, two hundred seventy-two".