125717434 has 4 divisors (see below), whose sum is σ = 188576154. Its totient is φ = 62858716.

The previous prime is 125717413. The next prime is 125717443. The reversal of 125717434 is 434717521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434717521 = 7 ⋅62102503.

It can be written as a sum of positive squares in only one way, i.e., 119836809 + 5880625 = 10947^2 + 2425^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125717434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31429357 + ... + 31429360.

Almost surely, 2^125717434 is an apocalyptic number.

125717434 is a deficient number, since it is larger than the sum of its proper divisors (62858720).

125717434 is an equidigital number, since it uses as much as digits as its factorization.

125717434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62858719.

The product of its digits is 23520, while the sum is 34.

The square root of 125717434 is about 11212.3786058088. The cubic root of 125717434 is about 500.9547543943.

The spelling of 125717434 in words is "one hundred twenty-five million, seven hundred seventeen thousand, four hundred thirty-four".