125601065 has 16 divisors (see below), whose sum is σ = 154659648. Its totient is φ = 97868736.

The previous prime is 125601053. The next prime is 125601067. The reversal of 125601065 is 560106521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125601065 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125601067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111887 + ... + 113003.

It is an arithmetic number, because the mean of its divisors is an integer number (9666228).

Almost surely, 2^125601065 is an apocalyptic number.

It is an amenable number.

125601065 is a deficient number, since it is larger than the sum of its proper divisors (29058583).

125601065 is a wasteful number, since it uses less digits than its factorization.

125601065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 125601065 is about 11207.1880951468. The cubic root of 125601065 is about 500.8001388725.

Adding to 125601065 its reverse (560106521), we get a palindrome (685707586).

The spelling of 125601065 in words is "one hundred twenty-five million, six hundred one thousand, sixty-five".