125348999 has 4 divisors (see below), whose sum is σ = 128264136. Its totient is φ = 122433864.

The previous prime is 125348989. The next prime is 125349067. The reversal of 125348999 is 999843521.

It is a happy number.

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 125348999 - 2⁴ = 125348983 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 (125348959) 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, 1457504 + ... + 1457589.

It is an arithmetic number, because the mean of its divisors is an integer number (32066034).

Almost surely, 2^125348999 is an apocalyptic number.

125348999 is a deficient number, since it is larger than the sum of its proper divisors (2915137).

125348999 is an equidigital number, since it uses as much as digits as its factorization.

125348999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915136.

The product of its digits is 699840, while the sum is 50.

The square root of 125348999 is about 11195.9367182920. The cubic root of 125348999 is about 500.4648996027.

The spelling of 125348999 in words is "one hundred twenty-five million, three hundred forty-eight thousand, nine hundred ninety-nine".