1424745 has 24 divisors (see below), whose sum is σ = 2822976. Its totient is φ = 651168.

The previous prime is 1424743. The next prime is 1424749. The reversal of 1424745 is 5474241.

It is not a de Polignac number, because 1424745 - 2¹ = 1424743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1424743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1947 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (117624).

2^1424745 is an apocalyptic number.

1424745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1424745 is a deficient number, since it is larger than the sum of its proper divisors (1398231).

1424745 is a wasteful number, since it uses less digits than its factorization.

1424745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541 (or 4538 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 1424745 is about 1193.6268261060. The cubic root of 1424745 is about 112.5241429666.

Adding to 1424745 its reverse (5474241), we get a palindrome (6898986).

The spelling of 1424745 in words is "one million, four hundred twenty-four thousand, seven hundred forty-five".