125143613 has 16 divisors (see below), whose sum is σ = 156660480. Its totient is φ = 97472256.

The previous prime is 125143607. The next prime is 125143649. The reversal of 125143613 is 316341521.

It is not a de Polignac number, because 125143613 - 2⁴ = 125143597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125143673) 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, 14681 + ... + 21582.

It is an arithmetic number, because the mean of its divisors is an integer number (9791280).

Almost surely, 2^125143613 is an apocalyptic number.

It is an amenable number.

125143613 is a deficient number, since it is larger than the sum of its proper divisors (31516867).

125143613 is a wasteful number, since it uses less digits than its factorization.

125143613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36316.

The product of its digits is 2160, while the sum is 26.

The square root of 125143613 is about 11186.7606124383. The cubic root of 125143613 is about 500.1914107145.

The spelling of 125143613 in words is "one hundred twenty-five million, one hundred forty-three thousand, six hundred thirteen".