1041213109 has 2 divisors, whose sum is σ = 1041213110. Its totient is φ = 1041213108.

The previous prime is 1041213079. The next prime is 1041213113. The reversal of 1041213109 is 9013121401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1028998084 + 12215025 = 32078^2 + 3495^2 .

It is an emirp because it is prime and its reverse (9013121401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1041213109 - 2⁵ = 1041213077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1041213109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041213119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520606554 + 520606555.

It is an arithmetic number, because the mean of its divisors is an integer number (520606555).

Almost surely, 2^1041213109 is an apocalyptic number.

It is an amenable number.

1041213109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041213109 is an equidigital number, since it uses as much as digits as its factorization.

1041213109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1041213109 is about 32267.8339682105. The cubic root of 1041213109 is about 1013.5531843382.

The spelling of 1041213109 in words is "one billion, forty-one million, two hundred thirteen thousand, one hundred nine".