1106840869 has 2 divisors, whose sum is σ = 1106840870. Its totient is φ = 1106840868.

The previous prime is 1106840863. The next prime is 1106840887. The reversal of 1106840869 is 9680486011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016780769 + 90060100 = 31887^2 + 9490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1106840869 - 2¹⁷ = 1106709797 is a prime.

It is a super-2 number, since 2×1106840869² = 2450193418577350322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1106840863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553420434 + 553420435.

It is an arithmetic number, because the mean of its divisors is an integer number (553420435).

Almost surely, 2^1106840869 is an apocalyptic number.

It is an amenable number.

1106840869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106840869 is an equidigital number, since it uses as much as digits as its factorization.

1106840869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 1106840869 is about 33269.2180401043. The cubic root of 1106840869 is about 1034.4156016945.

The spelling of 1106840869 in words is "one billion, one hundred six million, eight hundred forty thousand, eight hundred sixty-nine".