1040183821 has 2 divisors, whose sum is σ = 1040183822. Its totient is φ = 1040183820.

The previous prime is 1040183801. The next prime is 1040183831. The reversal of 1040183821 is 1283810401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 904204900 + 135978921 = 30070^2 + 11661^2 .

It is an emirp because it is prime and its reverse (1283810401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040183821 - 2⁷ = 1040183693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040183821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040183801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520091910 + 520091911.

It is an arithmetic number, because the mean of its divisors is an integer number (520091911).

Almost surely, 2^1040183821 is an apocalyptic number.

It is an amenable number.

1040183821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040183821 is an equidigital number, since it uses as much as digits as its factorization.

1040183821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1040183821 is about 32251.8808908876. The cubic root of 1040183821 is about 1013.2190926032.

The spelling of 1040183821 in words is "one billion, forty million, one hundred eighty-three thousand, eight hundred twenty-one".