125247983 has 4 divisors (see below), whose sum is σ = 143140560. Its totient is φ = 107355408.

The previous prime is 125247977. The next prime is 125248001. The reversal of 125247983 is 389742521.

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

It is a cyclic number.

It is not a de Polignac number, because 125247983 - 2²² = 121053679 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 125247983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125247953) 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, 8946278 + ... + 8946291.

It is an arithmetic number, because the mean of its divisors is an integer number (35785140).

Almost surely, 2^125247983 is an apocalyptic number.

125247983 is a deficient number, since it is larger than the sum of its proper divisors (17892577).

125247983 is an equidigital number, since it uses as much as digits as its factorization.

125247983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17892576.

The product of its digits is 120960, while the sum is 41.

The square root of 125247983 is about 11191.4245295226. The cubic root of 125247983 is about 500.3304255898.

The spelling of 125247983 in words is "one hundred twenty-five million, two hundred forty-seven thousand, nine hundred eighty-three".