1002194841 has 8 divisors (see below), whose sum is σ = 1349233600. Its totient is φ = 661642992.

The previous prime is 1002194819. The next prime is 1002194873. The reversal of 1002194841 is 1484912001.

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

It is not a de Polignac number, because 1002194841 - 2¹³ = 1002186649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002194799 and 1002194808.

It is not an unprimeable number, because it can be changed into a prime (1002194741) 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, 1621366 + ... + 1621983.

It is an arithmetic number, because the mean of its divisors is an integer number (168654200).

Almost surely, 2^1002194841 is an apocalyptic number.

It is an amenable number.

1002194841 is a deficient number, since it is larger than the sum of its proper divisors (347038759).

1002194841 is a wasteful number, since it uses less digits than its factorization.

1002194841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243455.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1002194841 is about 31657.4610637050. The cubic root of 1002194841 is about 1000.7310790598.

The spelling of 1002194841 in words is "one billion, two million, one hundred ninety-four thousand, eight hundred forty-one".