125726379 has 4 divisors (see below), whose sum is σ = 167635176. Its totient is φ = 83817584.

The previous prime is 125726369. The next prime is 125726383. The reversal of 125726379 is 973627521.

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 125726379 - 2⁹ = 125725867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125726379.

It is not an unprimeable number, because it can be changed into a prime (125726369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20954394 + ... + 20954399.

It is an arithmetic number, because the mean of its divisors is an integer number (41908794).

Almost surely, 2^125726379 is an apocalyptic number.

125726379 is a deficient number, since it is larger than the sum of its proper divisors (41908797).

125726379 is an equidigital number, since it uses as much as digits as its factorization.

125726379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41908796.

The product of its digits is 158760, while the sum is 42.

The square root of 125726379 is about 11212.7774882051. Note that the first 3 decimals coincide. The cubic root of 125726379 is about 500.9666353612.

The spelling of 125726379 in words is "one hundred twenty-five million, seven hundred twenty-six thousand, three hundred seventy-nine".