125734617 has 6 divisors (see below), whose sum is σ = 181616682. Its totient is φ = 83823072.

The previous prime is 125734591. The next prime is 125734639. The reversal of 125734617 is 716437521.

It is a happy number.

125734617 is a `hidden beast` number, since 1 + 2 + 5 + 7 + 34 + 617 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65221776 + 60512841 = 8076^2 + 7779^2 .

It is not a de Polignac number, because 125734617 - 2⁸ = 125734361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125734657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6985248 + ... + 6985265.

It is an arithmetic number, because the mean of its divisors is an integer number (30269447).

Almost surely, 2^125734617 is an apocalyptic number.

It is an amenable number.

125734617 is a deficient number, since it is larger than the sum of its proper divisors (55882065).

125734617 is a wasteful number, since it uses less digits than its factorization.

125734617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970519 (or 13970516 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 125734617 is about 11213.1448309562. The cubic root of 125734617 is about 500.9775767750.

The spelling of 125734617 in words is "one hundred twenty-five million, seven hundred thirty-four thousand, six hundred seventeen".