125613434 has 8 divisors (see below), whose sum is σ = 188483988. Its totient is φ = 62785440.

The previous prime is 125613421. The next prime is 125613461. The reversal of 125613434 is 434316521.

It can be written as a sum of positive squares in 2 ways, for example, as 121992025 + 3621409 = 11045^2 + 1903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125613397 and 125613406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787 + ... + 15950.

Almost surely, 2^125613434 is an apocalyptic number.

125613434 is a deficient number, since it is larger than the sum of its proper divisors (62870554).

125613434 is a wasteful number, since it uses less digits than its factorization.

125613434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21280.

The product of its digits is 8640, while the sum is 29.

The square root of 125613434 is about 11207.7399148981. The cubic root of 125613434 is about 500.8165776758.

Adding to 125613434 its reverse (434316521), we get a palindrome (559929955).

The spelling of 125613434 in words is "one hundred twenty-five million, six hundred thirteen thousand, four hundred thirty-four".