125958799 has 4 divisors (see below), whose sum is σ = 127684336. Its totient is φ = 124233264.

The previous prime is 125958779. The next prime is 125958821. The reversal of 125958799 is 997859521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125958799 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 (125958709) 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, 862659 + ... + 862804.

It is an arithmetic number, because the mean of its divisors is an integer number (31921084).

Almost surely, 2^125958799 is an apocalyptic number.

125958799 is a deficient number, since it is larger than the sum of its proper divisors (1725537).

125958799 is an equidigital number, since it uses as much as digits as its factorization.

125958799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725536.

The product of its digits is 2041200, while the sum is 55.

The square root of 125958799 is about 11223.1367718655. The cubic root of 125958799 is about 501.2751439181.

The spelling of 125958799 in words is "one hundred twenty-five million, nine hundred fifty-eight thousand, seven hundred ninety-nine".