123272451 has 6 divisors (see below), whose sum is σ = 178060220. Its totient is φ = 82181628.

The previous prime is 123272449. The next prime is 123272459. The reversal of 123272451 is 154272321.

It is not a de Polignac number, because 123272451 - 2¹ = 123272449 is a prime.

It is a super-3 number, since 3×123272451³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123272459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6848461 + ... + 6848478.

Almost surely, 2^123272451 is an apocalyptic number.

123272451 is a deficient number, since it is larger than the sum of its proper divisors (54787769).

123272451 is a wasteful number, since it uses less digits than its factorization.

123272451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13696945 (or 13696942 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 123272451 is about 11102.8127517310. The cubic root of 123272451 is about 497.6859078107.

The spelling of 123272451 in words is "one hundred twenty-three million, two hundred seventy-two thousand, four hundred fifty-one".