1030119989 has 2 divisors, whose sum is σ = 1030119990. Its totient is φ = 1030119988.

The previous prime is 1030119983. The next prime is 1030120027. The reversal of 1030119989 is 9899110301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554225764 + 475894225 = 23542^2 + 21815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030119989 is a prime.

It is a super-2 number, since 2×1030119989² = 2122294383474720242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030119983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515059994 + 515059995.

It is an arithmetic number, because the mean of its divisors is an integer number (515059995).

Almost surely, 2^1030119989 is an apocalyptic number.

It is an amenable number.

1030119989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030119989 is an equidigital number, since it uses as much as digits as its factorization.

1030119989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 41.

The square root of 1030119989 is about 32095.4823768081. The cubic root of 1030119989 is about 1009.9408484131.

The spelling of 1030119989 in words is "one billion, thirty million, one hundred nineteen thousand, nine hundred eighty-nine".