123044272 has 20 divisors (see below), whose sum is σ = 256737040. Its totient is φ = 56789568.

The previous prime is 123044183. The next prime is 123044279. The reversal of 123044272 is 272440321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123044279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295572 + ... + 295987.

It is an arithmetic number, because the mean of its divisors is an integer number (12836852).

Almost surely, 2^123044272 is an apocalyptic number.

It is an amenable number.

123044272 is an abundant number, since it is smaller than the sum of its proper divisors (133692768).

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

123044272 is a wasteful number, since it uses less digits than its factorization.

123044272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591580 (or 591574 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 123044272 is about 11092.5322627433. The cubic root of 123044272 is about 497.3786436655.

Adding to 123044272 its reverse (272440321), we get a palindrome (395484593).

The spelling of 123044272 in words is "one hundred twenty-three million, forty-four thousand, two hundred seventy-two".