1012302989 has 2 divisors, whose sum is σ = 1012302990. Its totient is φ = 1012302988.

The previous prime is 1012302931. The next prime is 1012303003. The reversal of 1012302989 is 9892032101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1005841225 + 6461764 = 31715^2 + 2542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012302989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012302089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506151494 + 506151495.

It is an arithmetic number, because the mean of its divisors is an integer number (506151495).

Almost surely, 2^1012302989 is an apocalyptic number.

It is an amenable number.

1012302989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012302989 is an equidigital number, since it uses as much as digits as its factorization.

1012302989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1012302989 is about 31816.7092735877. The cubic root of 1012302989 is about 1004.0842921801.

The spelling of 1012302989 in words is "one billion, twelve million, three hundred two thousand, nine hundred eighty-nine".