125912893 has 4 divisors (see below), whose sum is σ = 125943868. Its totient is φ = 125881920.

The previous prime is 125912873. The next prime is 125912911. The reversal of 125912893 is 398219521.

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 62758084 + 63154809 = 7922^2 + 7947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125912893 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 (125912873) 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, 8268 + ... + 17893.

It is an arithmetic number, because the mean of its divisors is an integer number (31485967).

Almost surely, 2^125912893 is an apocalyptic number.

It is an amenable number.

125912893 is a deficient number, since it is larger than the sum of its proper divisors (30975).

125912893 is an equidigital number, since it uses as much as digits as its factorization.

125912893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30974.

The product of its digits is 38880, while the sum is 40.

The square root of 125912893 is about 11221.0914353284. The cubic root of 125912893 is about 501.2142395244.

The spelling of 125912893 in words is "one hundred twenty-five million, nine hundred twelve thousand, eight hundred ninety-three".