1424128625 has 16 divisors (see below), whose sum is σ = 1781619840. Its totient is φ = 1136542000.

The previous prime is 1424128613. The next prime is 1424128627. The reversal of 1424128625 is 5268214241.

It is not a de Polignac number, because 1424128625 - 2⁴ = 1424128609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1424128627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38780 + ... + 65970.

It is an arithmetic number, because the mean of its divisors is an integer number (111351240).

Almost surely, 2^1424128625 is an apocalyptic number.

It is an amenable number.

1424128625 is a deficient number, since it is larger than the sum of its proper divisors (357491215).

1424128625 is an equidigital number, since it uses as much as digits as its factorization.

1424128625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27625 (or 27615 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 1424128625 is about 37737.6287675842. The cubic root of 1424128625 is about 1125.0791384658.

The spelling of 1424128625 in words is "one billion, four hundred twenty-four million, one hundred twenty-eight thousand, six hundred twenty-five".