1020109099 has 2 divisors, whose sum is σ = 1020109100. Its totient is φ = 1020109098.

The previous prime is 1020109061. The next prime is 1020109127. The reversal of 1020109099 is 9909010201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020109099 - 2²⁹ = 483238187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020109099.

It is not a weakly prime, because it can be changed into another prime (1020109049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510054549 + 510054550.

It is an arithmetic number, because the mean of its divisors is an integer number (510054550).

Almost surely, 2^1020109099 is an apocalyptic number.

1020109099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020109099 is an equidigital number, since it uses as much as digits as its factorization.

1020109099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 1020109099 is about 31939.1468107713. The cubic root of 1020109099 is about 1006.6585976698.

The spelling of 1020109099 in words is "one billion, twenty million, one hundred nine thousand, ninety-nine".