123371272 has 8 divisors (see below), whose sum is σ = 231321150. Its totient is φ = 61685632.

The previous prime is 123371267. The next prime is 123371279. The reversal of 123371272 is 272173321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81974916 + 41396356 = 9054^2 + 6434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×123371272³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 123371272.

It is not an unprimeable number, because it can be changed into a prime (123371279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7710697 + ... + 7710712.

Almost surely, 2^123371272 is an apocalyptic number.

It is an amenable number.

123371272 is a deficient number, since it is larger than the sum of its proper divisors (107949878).

123371272 is a wasteful number, since it uses less digits than its factorization.

123371272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15421415 (or 15421411 counting only the distinct ones).

The product of its digits is 3528, while the sum is 28.

The square root of 123371272 is about 11107.2621288957. The cubic root of 123371272 is about 497.8188617740.

The spelling of 123371272 in words is "one hundred twenty-three million, three hundred seventy-one thousand, two hundred seventy-two".