125499243 has 8 divisors (see below), whose sum is σ = 167755408. Its totient is φ = 83454624.

The previous prime is 125499229. The next prime is 125499263. The reversal of 125499243 is 342994521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125499243 - 2¹⁷ = 125368171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125499263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51496 + ... + 53877.

It is an arithmetic number, because the mean of its divisors is an integer number (20969426).

Almost surely, 2^125499243 is an apocalyptic number.

125499243 is a deficient number, since it is larger than the sum of its proper divisors (42256165).

125499243 is a wasteful number, since it uses less digits than its factorization.

125499243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105773.

The product of its digits is 77760, while the sum is 39.

The square root of 125499243 is about 11202.6444645896. The cubic root of 125499243 is about 500.6647730951.

The spelling of 125499243 in words is "one hundred twenty-five million, four hundred ninety-nine thousand, two hundred forty-three".