125136071 has 16 divisors (see below), whose sum is σ = 135333600. Its totient is φ = 115344000.

The previous prime is 125136049. The next prime is 125136103. The reversal of 125136071 is 170631521.

It is a cyclic number.

It is not a de Polignac number, because 125136071 - 2⁶ = 125136007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125136071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125136041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116525 + ... + 117593.

It is an arithmetic number, because the mean of its divisors is an integer number (8458350).

Almost surely, 2^125136071 is an apocalyptic number.

125136071 is a deficient number, since it is larger than the sum of its proper divisors (10197529).

125136071 is a wasteful number, since it uses less digits than its factorization.

125136071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 125136071 is about 11186.4235124547. The cubic root of 125136071 is about 500.1813622075.

Adding to 125136071 its reverse (170631521), we get a palindrome (295767592).

The spelling of 125136071 in words is "one hundred twenty-five million, one hundred thirty-six thousand, seventy-one".