124145712373 has 4 divisors (see below), whose sum is σ = 124147043020. Its totient is φ = 124144381728.

The previous prime is 124145712367. The next prime is 124145712409. The reversal of 124145712373 is 373217541421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373217541421 = 23 ⋅16226849627.

It can be written as a sum of positive squares in 2 ways, for example, as 114949477764 + 9196234609 = 339042^2 + 95897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124145712373 is a prime.

It is a super-2 number, since 2×124145712373² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124145712073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513888 + ... + 715801.

It is an arithmetic number, because the mean of its divisors is an integer number (31036760755).

Almost surely, 2^124145712373 is an apocalyptic number.

It is an amenable number.

124145712373 is a deficient number, since it is larger than the sum of its proper divisors (1330647).

124145712373 is a wasteful number, since it uses less digits than its factorization.

124145712373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330646.

The product of its digits is 141120, while the sum is 40.

The spelling of 124145712373 in words is "one hundred twenty-four billion, one hundred forty-five million, seven hundred twelve thousand, three hundred seventy-three".