124572673 has 4 divisors (see below), whose sum is σ = 127939540. Its totient is φ = 121205808.

The previous prime is 124572671. The next prime is 124572691. The reversal of 124572673 is 376275421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376275421 = 389 ⋅967289.

It can be written as a sum of positive squares in 2 ways, for example, as 116467264 + 8105409 = 10792^2 + 2847^2 .

It is a cyclic number.

It is not a de Polignac number, because 124572673 - 2¹ = 124572671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3366829 = 124572673 / (1 + 2 + 4 + 5 + 7 + 2 + 6 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124572671) 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, 1683378 + ... + 1683451.

It is an arithmetic number, because the mean of its divisors is an integer number (31984885).

Almost surely, 2^124572673 is an apocalyptic number.

It is an amenable number.

124572673 is a deficient number, since it is larger than the sum of its proper divisors (3366867).

124572673 is an equidigital number, since it uses as much as digits as its factorization.

124572673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366866.

The product of its digits is 70560, while the sum is 37.

The square root of 124572673 is about 11161.2128821199. The cubic root of 124572673 is about 499.4295801565.

The spelling of 124572673 in words is "one hundred twenty-four million, five hundred seventy-two thousand, six hundred seventy-three".