891201002 has 8 divisors (see below), whose sum is σ = 1346419200. Its totient is φ = 442394604.

The previous prime is 891200993. The next prime is 891201019. The reversal of 891201002 is 200102198.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602602 + ... + 1603157.

It is an arithmetic number, because the mean of its divisors is an integer number (168302400).

Almost surely, 2^891201002 is an apocalyptic number.

891201002 is a deficient number, since it is larger than the sum of its proper divisors (455218198).

891201002 is a wasteful number, since it uses less digits than its factorization.

891201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205900.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 891201002 is about 29852.9898335158. The cubic root of 891201002 is about 962.3326527968.

The spelling of 891201002 in words is "eight hundred ninety-one million, two hundred one thousand, two".