125411243 has 2 divisors, whose sum is σ = 125411244. Its totient is φ = 125411242.

The previous prime is 125411239. The next prime is 125411291. The reversal of 125411243 is 342114521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125411243 - 2² = 125411239 is a prime.

It is not a weakly prime, because it can be changed into another prime (125411233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62705621 + 62705622.

It is an arithmetic number, because the mean of its divisors is an integer number (62705622).

Almost surely, 2^125411243 is an apocalyptic number.

125411243 is a deficient number, since it is larger than the sum of its proper divisors (1).

125411243 is an equidigital number, since it uses as much as digits as its factorization.

125411243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 125411243 is about 11198.7161317715. The cubic root of 125411243 is about 500.5477237782.

Adding to 125411243 its reverse (342114521), we get a palindrome (467525764).

The spelling of 125411243 in words is "one hundred twenty-five million, four hundred eleven thousand, two hundred forty-three".