125235243 has 24 divisors (see below), whose sum is σ = 218900448. Its totient is φ = 67352832.

The previous prime is 125235233. The next prime is 125235259. The reversal of 125235243 is 342532521.

It is a happy number.

It is not a de Polignac number, because 125235243 - 2⁵ = 125235211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125235233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57396 + ... + 59537.

It is an arithmetic number, because the mean of its divisors is an integer number (9120852).

Almost surely, 2^125235243 is an apocalyptic number.

125235243 is a deficient number, since it is larger than the sum of its proper divisors (93665205).

125235243 is a wasteful number, since it uses less digits than its factorization.

125235243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116963 (or 116960 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 125235243 is about 11190.8553292409. The cubic root of 125235243 is about 500.3134607769.

Adding to 125235243 its reverse (342532521), we get a palindrome (467767764).

It can be divided in two parts, 12523 and 5243, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 125235243 in words is "one hundred twenty-five million, two hundred thirty-five thousand, two hundred forty-three".