125716834 has 4 divisors (see below), whose sum is σ = 188575254. Its totient is φ = 62858416.

The previous prime is 125716831. The next prime is 125716837. The reversal of 125716834 is 438617521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438617521 = 23 ⋅19070327.

It is an interprime number because it is at equal distance from previous prime (125716831) and next prime (125716837).

It can be written as a sum of positive squares in only one way, i.e., 120890025 + 4826809 = 10995^2 + 2197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125716793 and 125716802.

It is not an unprimeable number, because it can be changed into a prime (125716831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31429207 + ... + 31429210.

Almost surely, 2^125716834 is an apocalyptic number.

125716834 is a deficient number, since it is larger than the sum of its proper divisors (62858420).

125716834 is an equidigital number, since it uses as much as digits as its factorization.

125716834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62858419.

The product of its digits is 40320, while the sum is 37.

The square root of 125716834 is about 11212.3518496344. The cubic root of 125716834 is about 500.9539574396.

The spelling of 125716834 in words is "one hundred twenty-five million, seven hundred sixteen thousand, eight hundred thirty-four".