1002940979 has 2 divisors, whose sum is σ = 1002940980. Its totient is φ = 1002940978.

The previous prime is 1002940957. The next prime is 1002941003. The reversal of 1002940979 is 9790492001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9790492001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002940979 - 2⁸ = 1002940723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002946979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501470489 + 501470490.

It is an arithmetic number, because the mean of its divisors is an integer number (501470490).

Almost surely, 2^1002940979 is an apocalyptic number.

1002940979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002940979 is an equidigital number, since it uses as much as digits as its factorization.

1002940979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 1002940979 is about 31669.2434232332. The cubic root of 1002940979 is about 1000.9793668608.

The spelling of 1002940979 in words is "one billion, two million, nine hundred forty thousand, nine hundred seventy-nine".