125389243 has 8 divisors (see below), whose sum is σ = 148243680. Its totient is φ = 103770240.

The previous prime is 125389241. The next prime is 125389273. The reversal of 125389243 is 342983521.

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

It is not a de Polignac number, because 125389243 - 2¹ = 125389241 is a prime.

It is a super-2 number, since 2×125389243² = 31444924520226098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125389241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308638 + ... + 309043.

It is an arithmetic number, because the mean of its divisors is an integer number (18530460).

Almost surely, 2^125389243 is an apocalyptic number.

125389243 is a deficient number, since it is larger than the sum of its proper divisors (22854437).

125389243 is an equidigital number, since it uses as much as digits as its factorization.

125389243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617717.

The product of its digits is 51840, while the sum is 37.

The square root of 125389243 is about 11197.7338332361. The cubic root of 125389243 is about 500.5184528941.

The spelling of 125389243 in words is "one hundred twenty-five million, three hundred eighty-nine thousand, two hundred forty-three".