125951 has 8 divisors (see below), whose sum is σ = 151680. Its totient is φ = 102168.

The previous prime is 125941. The next prime is 125959. The reversal of 125951 is 159521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125951 - 2⁶ = 125887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341 + ... + 606.

It is an arithmetic number, because the mean of its divisors is an integer number (18960).

2¹²⁵⁹⁵¹ is an apocalyptic number.

125951 is a deficient number, since it is larger than the sum of its proper divisors (25729).

125951 is an equidigital number, since it uses as much as digits as its factorization.

125951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its digits is 450, while the sum is 23.

The square root of 125951 is about 354.8957593435. The cubic root of 125951 is about 50.1264797875.

It can be divided in two parts, 1 and 25951, that added together give a palindrome (25952).

The spelling of 125951 in words is "one hundred twenty-five thousand, nine hundred fifty-one".