1002113 has 4 divisors (see below), whose sum is σ = 1145280. Its totient is φ = 858948.

The previous prime is 1002109. The next prime is 1002121. The reversal of 1002113 is 3112001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002113 - 2² = 1002109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002113.

It is not an unprimeable number, because it can be changed into a prime (1002143) 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, 71573 + ... + 71586.

It is an arithmetic number, because the mean of its divisors is an integer number (286320).

2^1002113 is an apocalyptic number.

It is an amenable number.

1002113 is a deficient number, since it is larger than the sum of its proper divisors (143167).

1002113 is an equidigital number, since it uses as much as digits as its factorization.

1002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143166.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1002113 is about 1001.0559424927. The cubic root of 1002113 is about 100.0703837829.

Adding to 1002113 its reverse (3112001), we get a palindrome (4114114).

The spelling of 1002113 in words is "one million, two thousand, one hundred thirteen".