125200613 has 4 divisors (see below), whose sum is σ = 125250060. Its totient is φ = 125151168.

The previous prime is 125200591. The next prime is 125200639. The reversal of 125200613 is 316002521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11607649 + 113592964 = 3407^2 + 10658^2 .

It is a cyclic number.

It is not a de Polignac number, because 125200613 - 2⁶ = 125200549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125200693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20708 + ... + 26061.

It is an arithmetic number, because the mean of its divisors is an integer number (31312515).

Almost surely, 2^125200613 is an apocalyptic number.

It is an amenable number.

125200613 is a deficient number, since it is larger than the sum of its proper divisors (49447).

125200613 is an equidigital number, since it uses as much as digits as its factorization.

125200613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49446.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 125200613 is about 11189.3079768143. The cubic root of 125200613 is about 500.2673410321.

The spelling of 125200613 in words is "one hundred twenty-five million, two hundred thousand, six hundred thirteen".