123272044 has 18 divisors (see below), whose sum is σ = 250947060. Its totient is φ = 52830792.

The previous prime is 123272029. The next prime is 123272047. The reversal of 123272044 is 440272321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123272047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314274 + ... + 314665.

Almost surely, 2^123272044 is an apocalyptic number.

123272044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123272044 is an abundant number, since it is smaller than the sum of its proper divisors (127675016).

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

123272044 is a wasteful number, since it uses less digits than its factorization.

123272044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628957 (or 628948 counting only the distinct ones).

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

The square root of 123272044 is about 11102.7944230270. The cubic root of 123272044 is about 497.6853600852.

The spelling of 123272044 in words is "one hundred twenty-three million, two hundred seventy-two thousand, forty-four".