125457443 has 2 divisors, whose sum is σ = 125457444. Its totient is φ = 125457442.

The previous prime is 125457439. The next prime is 125457457. The reversal of 125457443 is 344754521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125457443 - 2² = 125457439 is a prime.

It is not a weakly prime, because it can be changed into another prime (125457643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62728721 + 62728722.

It is an arithmetic number, because the mean of its divisors is an integer number (62728722).

Almost surely, 2^125457443 is an apocalyptic number.

125457443 is a deficient number, since it is larger than the sum of its proper divisors (1).

125457443 is an equidigital number, since it uses as much as digits as its factorization.

125457443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 35.

The square root of 125457443 is about 11200.7786782884. The cubic root of 125457443 is about 500.6091814944.

The spelling of 125457443 in words is "one hundred twenty-five million, four hundred fifty-seven thousand, four hundred forty-three".