124923065 has 4 divisors (see below), whose sum is σ = 149907684. Its totient is φ = 99938448.

The previous prime is 124923061. The next prime is 124923079. The reversal of 124923065 is 560329421.

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: 560329421 = 269 ⋅2083009.

It can be written as a sum of positive squares in 2 ways, for example, as 77299264 + 47623801 = 8792^2 + 6901^2 .

It is a cyclic number.

It is not a de Polignac number, because 124923065 - 2² = 124923061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124923061) 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, 12492302 + ... + 12492311.

It is an arithmetic number, because the mean of its divisors is an integer number (37476921).

Almost surely, 2^124923065 is an apocalyptic number.

It is an amenable number.

124923065 is a deficient number, since it is larger than the sum of its proper divisors (24984619).

124923065 is an equidigital number, since it uses as much as digits as its factorization.

124923065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24984618.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 124923065 is about 11176.8987201280. The cubic root of 124923065 is about 499.8973989475.

The spelling of 124923065 in words is "one hundred twenty-four million, nine hundred twenty-three thousand, sixty-five".