125443237 has 2 divisors, whose sum is σ = 125443238. Its totient is φ = 125443236.

The previous prime is 125443207. The next prime is 125443243. The reversal of 125443237 is 732344521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97891236 + 27552001 = 9894^2 + 5249^2 .

It is a cyclic number.

It is not a de Polignac number, because 125443237 - 2¹¹ = 125441189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125443199 and 125443208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125443207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62721618 + 62721619.

It is an arithmetic number, because the mean of its divisors is an integer number (62721619).

Almost surely, 2^125443237 is an apocalyptic number.

It is an amenable number.

125443237 is a deficient number, since it is larger than the sum of its proper divisors (1).

125443237 is an equidigital number, since it uses as much as digits as its factorization.

125443237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 125443237 is about 11200.1445079963. The cubic root of 125443237 is about 500.5902855184.

Adding to 125443237 its reverse (732344521), we get a palindrome (857787758).

The spelling of 125443237 in words is "one hundred twenty-five million, four hundred forty-three thousand, two hundred thirty-seven".