1002978083 has 2 divisors, whose sum is σ = 1002978084. Its totient is φ = 1002978082.

The previous prime is 1002978071. The next prime is 1002978103. The reversal of 1002978083 is 3808792001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002978083 - 2²⁶ = 935869219 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1002978013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501489041 + 501489042.

It is an arithmetic number, because the mean of its divisors is an integer number (501489042).

Almost surely, 2^1002978083 is an apocalyptic number.

1002978083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002978083 is an equidigital number, since it uses as much as digits as its factorization.

1002978083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1002978083 is about 31669.8292227792. The cubic root of 1002978083 is about 1000.9917105185.

The spelling of 1002978083 in words is "one billion, two million, nine hundred seventy-eight thousand, eighty-three".