1424945 has 4 divisors (see below), whose sum is σ = 1709940. Its totient is φ = 1139952.

The previous prime is 1424939. The next prime is 1424947. The reversal of 1424945 is 5494241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 351649 = 1036^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424945 - 2⁶ = 1424881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1424947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142490 + ... + 142499.

It is an arithmetic number, because the mean of its divisors is an integer number (427485).

2^1424945 is an apocalyptic number.

It is an amenable number.

1424945 is a deficient number, since it is larger than the sum of its proper divisors (284995).

1424945 is an equidigital number, since it uses as much as digits as its factorization.

1424945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284994.

The product of its digits is 5760, while the sum is 29.

The square root of 1424945 is about 1193.7106014441. The cubic root of 1424945 is about 112.5294079498.

The spelling of 1424945 in words is "one million, four hundred twenty-four thousand, nine hundred forty-five".