1100043401 has 8 divisors (see below), whose sum is σ = 1137237504. Its totient is φ = 1062956160.

The previous prime is 1100043391. The next prime is 1100043409. The reversal of 1100043401 is 1043400011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100043401 - 2¹⁴ = 1100027017 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 5501 + ... + 47226.

It is an arithmetic number, because the mean of its divisors is an integer number (142154688).

Almost surely, 2^1100043401 is an apocalyptic number.

It is an amenable number.

1100043401 is a deficient number, since it is larger than the sum of its proper divisors (37194103).

1100043401 is an equidigital number, since it uses as much as digits as its factorization.

1100043401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53431.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1100043401 is about 33166.9021917936. The cubic root of 1100043401 is about 1032.2936916382.

Adding to 1100043401 its reverse (1043400011), we get a palindrome (2143443412).

The spelling of 1100043401 in words is "one billion, one hundred million, forty-three thousand, four hundred one".