125381 has 4 divisors (see below), whose sum is σ = 132000. Its totient is φ = 118764.

The previous prime is 125371. The next prime is 125383. The reversal of 125381 is 183521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125381 is a prime.

It is a super-2 number, since 2×125381² = 31440790322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125381.

It is not an unprimeable number, because it can be changed into a prime (125383) 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, 3281 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (33000).

2¹²⁵³⁸¹ is an apocalyptic number.

It is an amenable number.

125381 is a deficient number, since it is larger than the sum of its proper divisors (6619).

125381 is an equidigital number, since it uses as much as digits as its factorization.

125381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618.

The product of its digits is 240, while the sum is 20.

The square root of 125381 is about 354.0917960078. The cubic root of 125381 is about 50.0507484744.

The spelling of 125381 in words is "one hundred twenty-five thousand, three hundred eighty-one".