125861423 has 4 divisors (see below), whose sum is σ = 126426048. Its totient is φ = 125296800.

The previous prime is 125861419. The next prime is 125861429. The reversal of 125861423 is 324168521.

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 125861423 - 2² = 125861419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125861423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125861429) 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, 281978 + ... + 282423.

It is an arithmetic number, because the mean of its divisors is an integer number (31606512).

Almost surely, 2^125861423 is an apocalyptic number.

125861423 is a deficient number, since it is larger than the sum of its proper divisors (564625).

125861423 is an equidigital number, since it uses as much as digits as its factorization.

125861423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564624.

The product of its digits is 11520, while the sum is 32.

The square root of 125861423 is about 11218.7977519875. The cubic root of 125861423 is about 501.1459356565.

The spelling of 125861423 in words is "one hundred twenty-five million, eight hundred sixty-one thousand, four hundred twenty-three".