1135412209 has 2 divisors, whose sum is σ = 1135412210. Its totient is φ = 1135412208.

The previous prime is 1135412183. The next prime is 1135412237. The reversal of 1135412209 is 9022145311.

It is an a-pointer prime, because the next prime (1135412237) can be obtained adding 1135412209 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1116896400 + 18515809 = 33420^2 + 4303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135412209 - 2²⁵ = 1101857777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1135412009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567706104 + 567706105.

It is an arithmetic number, because the mean of its divisors is an integer number (567706105).

Almost surely, 2^1135412209 is an apocalyptic number.

It is an amenable number.

1135412209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135412209 is an equidigital number, since it uses as much as digits as its factorization.

1135412209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1135412209 is about 33695.8782197467. The cubic root of 1135412209 is about 1043.2406953875.

The spelling of 1135412209 in words is "one billion, one hundred thirty-five million, four hundred twelve thousand, two hundred nine".