1002194 has 8 divisors (see below), whose sum is σ = 1522560. Its totient is φ = 494676.

The previous prime is 1002191. The next prime is 1002227. The reversal of 1002194 is 4912001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014 + ... + 3329.

It is an arithmetic number, because the mean of its divisors is an integer number (190320).

2^1002194 is an apocalyptic number.

1002194 is a deficient number, since it is larger than the sum of its proper divisors (520366).

1002194 is an equidigital number, since it uses as much as digits as its factorization.

1002194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1002194 is about 1001.0963989547. The cubic root of 1002194 is about 100.0730799136.

Adding to 1002194 its reverse (4912001), we get a palindrome (5914195).

The spelling of 1002194 in words is "one million, two thousand, one hundred ninety-four".