1004099 has 4 divisors (see below), whose sum is σ = 1008264. Its totient is φ = 999936.

The previous prime is 1004089. The next prime is 1004117. The reversal of 1004099 is 9904001.

1004099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9904001 = 41 ⋅241561.

It is a cyclic number.

It is not a de Polignac number, because 1004099 - 2¹² = 1000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004089) 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, 1697 + ... + 2210.

It is an arithmetic number, because the mean of its divisors is an integer number (252066).

2^1004099 is an apocalyptic number.

1004099 is a deficient number, since it is larger than the sum of its proper divisors (4165).

1004099 is an equidigital number, since it uses as much as digits as its factorization.

1004099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1004099 is about 1002.0474040683. The cubic root of 1004099 is about 100.1364470706.

The spelling of 1004099 in words is "one million, four thousand, ninety-nine".