1100043402 has 32 divisors (see below), whose sum is σ = 2297659392. Its totient is φ = 350445744.

The previous prime is 1100043391. The next prime is 1100043409. The reversal of 1100043402 is 2043400011.

It is not an unprimeable number, because it can be changed into a prime (1100043409) 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 in 15 ways as a sum of consecutive naturals, for example, 213703 + ... + 218789.

It is an arithmetic number, because the mean of its divisors is an integer number (71801856).

Almost surely, 2^1100043402 is an apocalyptic number.

1100043402 is an abundant number, since it is smaller than the sum of its proper divisors (1197615990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100043402 is a wasteful number, since it uses less digits than its factorization.

1100043402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1100043402 is about 33166.9022068688. The cubic root of 1100043402 is about 1032.2936919510.

Adding to 1100043402 its reverse (2043400011), we get a palindrome (3143443413).

The spelling of 1100043402 in words is "one billion, one hundred million, forty-three thousand, four hundred two".