1002499 has 4 divisors (see below), whose sum is σ = 1012336. Its totient is φ = 992664.

The previous prime is 1002493. The next prime is 1002503. The reversal of 1002499 is 9942001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9942001 = 2659 ⋅3739.

It is a cyclic number.

It is not a de Polignac number, because 1002499 - 2⁵ = 1002467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002493) 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, 4764 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (253084).

2^1002499 is an apocalyptic number.

1002499 is a deficient number, since it is larger than the sum of its proper divisors (9837).

1002499 is an equidigital number, since it uses as much as digits as its factorization.

1002499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9836.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1002499 is about 1001.2487203487. The cubic root of 1002499 is about 100.0832307073.

The spelling of 1002499 in words is "one million, two thousand, four hundred ninety-nine".