125834381 has 4 divisors (see below), whose sum is σ = 125951232. Its totient is φ = 125717532.

The previous prime is 125834377. The next prime is 125834413. The reversal of 125834381 is 183438521.

It is a happy number.

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 not a de Polignac number, because 125834381 - 2² = 125834377 is a prime.

It is a super-2 number, since 2×125834381² = 31668582883306322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125834881) 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, 56795 + ... + 58968.

It is an arithmetic number, because the mean of its divisors is an integer number (31487808).

Almost surely, 2^125834381 is an apocalyptic number.

It is an amenable number.

125834381 is a deficient number, since it is larger than the sum of its proper divisors (116851).

125834381 is a wasteful number, since it uses less digits than its factorization.

125834381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116850.

The product of its digits is 23040, while the sum is 35.

The square root of 125834381 is about 11217.5924778894. The cubic root of 125834381 is about 501.1100417907.

The spelling of 125834381 in words is "one hundred twenty-five million, eight hundred thirty-four thousand, three hundred eighty-one".