1424999 has 4 divisors (see below), whose sum is σ = 1428336. Its totient is φ = 1421664.

The previous prime is 1424989. The next prime is 1425007. The reversal of 1424999 is 9994241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9994241 = 29 ⋅344629.

It is a cyclic number.

It is not a de Polignac number, because 1424999 - 2⁸ = 1424743 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 (1424939) 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, 914 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (357084).

2^1424999 is an apocalyptic number.

1424999 is a deficient number, since it is larger than the sum of its proper divisors (3337).

1424999 is an equidigital number, since it uses as much as digits as its factorization.

1424999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336.

The product of its digits is 23328, while the sum is 38.

The square root of 1424999 is about 1193.7332197774. The cubic root of 1424999 is about 112.5308294108.

The spelling of 1424999 in words is "one million, four hundred twenty-four thousand, nine hundred ninety-nine".