125331449 has 2 divisors, whose sum is σ = 125331450. Its totient is φ = 125331448.

The previous prime is 125331443. The next prime is 125331457. The reversal of 125331449 is 944133521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75134224 + 50197225 = 8668^2 + 7085^2 .

It is an emirp because it is prime and its reverse (944133521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125331449 - 2⁴ = 125331433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125331443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62665724 + 62665725.

It is an arithmetic number, because the mean of its divisors is an integer number (62665725).

Almost surely, 2^125331449 is an apocalyptic number.

It is an amenable number.

125331449 is a deficient number, since it is larger than the sum of its proper divisors (1).

125331449 is an equidigital number, since it uses as much as digits as its factorization.

125331449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 125331449 is about 11195.1529243687. The cubic root of 125331449 is about 500.4415419666.

The spelling of 125331449 in words is "one hundred twenty-five million, three hundred thirty-one thousand, four hundred forty-nine".