1041220043 has 4 divisors (see below), whose sum is σ = 1041350520. Its totient is φ = 1041089568.

The previous prime is 1041220021. The next prime is 1041220067. The reversal of 1041220043 is 3400221401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1041220043 - 2⁶ = 1041219979 is a prime.

It is a super-3 number, since 3×1041220043³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041220073) 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 3 ways as a sum of consecutive naturals, for example, 52430 + ... + 69507.

It is an arithmetic number, because the mean of its divisors is an integer number (260337630).

Almost surely, 2^1041220043 is an apocalyptic number.

1041220043 is a deficient number, since it is larger than the sum of its proper divisors (130477).

1041220043 is an equidigital number, since it uses as much as digits as its factorization.

1041220043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130476.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1041220043 is about 32267.9414124917. The cubic root of 1041220043 is about 1013.5554342658. Note that the first 3 decimals are identical.

Adding to 1041220043 its reverse (3400221401), we get a palindrome (4441441444).

The spelling of 1041220043 in words is "one billion, forty-one million, two hundred twenty thousand, forty-three".