125434319 has 4 divisors (see below), whose sum is σ = 125463360. Its totient is φ = 125405280.

The previous prime is 125434307. The next prime is 125434321. The reversal of 125434319 is 913434521.

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 125434319 - 2²⁰ = 124385743 is a prime.

It is a super-2 number, since 2×125434319² = 31467536765987522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125434369) 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, 6602 + ... + 17159.

It is an arithmetic number, because the mean of its divisors is an integer number (31365840).

Almost surely, 2^125434319 is an apocalyptic number.

125434319 is a deficient number, since it is larger than the sum of its proper divisors (29041).

125434319 is an equidigital number, since it uses as much as digits as its factorization.

125434319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29040.

The product of its digits is 12960, while the sum is 32.

The square root of 125434319 is about 11199.7463810570. The cubic root of 125434319 is about 500.5784225966.

The spelling of 125434319 in words is "one hundred twenty-five million, four hundred thirty-four thousand, three hundred nineteen".