1100041409 has 2 divisors, whose sum is σ = 1100041410. Its totient is φ = 1100041408.

The previous prime is 1100041403. The next prime is 1100041429. The reversal of 1100041409 is 9041400011.

It is an a-pointer prime, because the next prime (1100041429) can be obtained adding 1100041409 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 632271025 + 467770384 = 25145^2 + 21628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100041409 - 2⁸ = 1100041153 is a prime.

It is a super-2 number, since 2×1100041409² = 2420182203029410562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1100041403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550020704 + 550020705.

It is an arithmetic number, because the mean of its divisors is an integer number (550020705).

Almost surely, 2^1100041409 is an apocalyptic number.

It is an amenable number.

1100041409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100041409 is an equidigital number, since it uses as much as digits as its factorization.

1100041409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1100041409 is about 33166.8721618425. The cubic root of 1100041409 is about 1032.2930685324.

The spelling of 1100041409 in words is "one billion, one hundred million, forty-one thousand, four hundred nine".