11420043 has 8 divisors (see below), whose sum is σ = 15248448. Its totient is φ = 7602504.

The previous prime is 11420041. The next prime is 11420051. The reversal of 11420043 is 34002411.

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

It is not a de Polignac number, because 11420043 - 2¹ = 11420041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11420041) 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, 180 + ... + 4782.

It is an arithmetic number, because the mean of its divisors is an integer number (1906056).

Almost surely, 2^11420043 is an apocalyptic number.

11420043 is a deficient number, since it is larger than the sum of its proper divisors (3828405).

11420043 is an equidigital number, since it uses as much as digits as its factorization.

11420043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433.

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

The square root of 11420043 is about 3379.3554119092. The cubic root of 11420043 is about 225.1935322522.

Adding to 11420043 its reverse (34002411), we get a palindrome (45422454).

The spelling of 11420043 in words is "eleven million, four hundred twenty thousand, forty-three".