125403447 has 8 divisors (see below), whose sum is σ = 180066544. Its totient is φ = 77171328.

The previous prime is 125403391. The next prime is 125403451. The reversal of 125403447 is 744304521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125403447 - 2⁷ = 125403319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125403547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607698 + ... + 1607775.

It is an arithmetic number, because the mean of its divisors is an integer number (22508318).

Almost surely, 2^125403447 is an apocalyptic number.

125403447 is a deficient number, since it is larger than the sum of its proper divisors (54663097).

125403447 is a wasteful number, since it uses less digits than its factorization.

125403447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215489.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 125403447 is about 11198.3680507474. The cubic root of 125403447 is about 500.5373516329.

Adding to 125403447 its reverse (744304521), we get a palindrome (869707968).

The spelling of 125403447 in words is "one hundred twenty-five million, four hundred three thousand, four hundred forty-seven".