1002872194243 has 8 divisors (see below), whose sum is σ = 1014977992896. Its totient is φ = 990766943400.

The previous prime is 1002872194201. The next prime is 1002872194253. The reversal of 1002872194243 is 3424912782001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002872194243 - 2²⁵ = 1002838639811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002872194243.

It is not an unprimeable number, because it can be changed into a prime (1002872194253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4479888 + ... + 4698418.

It is an arithmetic number, because the mean of its divisors is an integer number (126872249112).

Almost surely, 2^{1002872194243} is an apocalyptic number.

1002872194243 is a deficient number, since it is larger than the sum of its proper divisors (12105798653).

1002872194243 is an equidigital number, since it uses as much as digits as its factorization.

1002872194243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273905.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 1002872194243 in words is "one trillion, two billion, eight hundred seventy-two million, one hundred ninety-four thousand, two hundred forty-three".