125744072343 has 4 divisors (see below), whose sum is σ = 167658763128. Its totient is φ = 83829381560.

The previous prime is 125744072323. The next prime is 125744072407. The reversal of 125744072343 is 343270447521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125744072343 - 2²⁰ = 125743023767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125744072295 and 125744072304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125744072323) 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, 20957345388 + ... + 20957345393.

It is an arithmetic number, because the mean of its divisors is an integer number (41914690782).

Almost surely, 2^125744072343 is an apocalyptic number.

125744072343 is a deficient number, since it is larger than the sum of its proper divisors (41914690785).

125744072343 is an equidigital number, since it uses as much as digits as its factorization.

125744072343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41914690784.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 125744072343 in words is "one hundred twenty-five billion, seven hundred forty-four million, seventy-two thousand, three hundred forty-three".