1100405343 has 16 divisors (see below), whose sum is σ = 1482817536. Its totient is φ = 725830560.

The previous prime is 1100405333. The next prime is 1100405351. The reversal of 1100405343 is 3435040011.

It is not a de Polignac number, because 1100405343 - 2¹⁴ = 1100388959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100405323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142153 + ... + 149693.

It is an arithmetic number, because the mean of its divisors is an integer number (92676096).

Almost surely, 2^1100405343 is an apocalyptic number.

1100405343 is a deficient number, since it is larger than the sum of its proper divisors (382412193).

1100405343 is a wasteful number, since it uses less digits than its factorization.

1100405343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1100405343 is about 33172.3581163595. The cubic root of 1100405343 is about 1032.4068961029.

Adding to 1100405343 its reverse (3435040011), we get a palindrome (4535445354).

The spelling of 1100405343 in words is "one billion, one hundred million, four hundred five thousand, three hundred forty-three".