1020441109 has 2 divisors, whose sum is σ = 1020441110. Its totient is φ = 1020441108.

The previous prime is 1020441101. The next prime is 1020441119. The reversal of 1020441109 is 9011440201.

1020441109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 772284100 + 248157009 = 27790^2 + 15753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020441109 - 2³ = 1020441101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020441109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020441101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510220554 + 510220555.

It is an arithmetic number, because the mean of its divisors is an integer number (510220555).

Almost surely, 2^1020441109 is an apocalyptic number.

It is an amenable number.

1020441109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020441109 is an equidigital number, since it uses as much as digits as its factorization.

1020441109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1020441109 is about 31944.3439281510. The cubic root of 1020441109 is about 1006.7677966006.

The spelling of 1020441109 in words is "one billion, twenty million, four hundred forty-one thousand, one hundred nine".