125427447 has 20 divisors (see below), whose sum is σ = 192435496. Its totient is φ = 81356400.

The previous prime is 125427427. The next prime is 125427469. The reversal of 125427447 is 744724521.

125427447 is a `hidden beast` number, since 1 + 2 + 542 + 74 + 47 = 666.

It is not a de Polignac number, because 125427447 - 2⁶ = 125427383 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 (125427427) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17929 + ... + 23922.

Almost surely, 2^125427447 is an apocalyptic number.

125427447 is a deficient number, since it is larger than the sum of its proper divisors (67008049).

125427447 is an equidigital number, since it uses as much as digits as its factorization.

125427447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41900 (or 41891 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 125427447 is about 11199.4395841935. The cubic root of 125427447 is about 500.5692809258.

The spelling of 125427447 in words is "one hundred twenty-five million, four hundred twenty-seven thousand, four hundred forty-seven".