1104421143 has 24 divisors (see below), whose sum is σ = 1714946688. Its totient is φ = 630373296.

The previous prime is 1104421121. The next prime is 1104421147. The reversal of 1104421143 is 3411244011.

It is not a de Polignac number, because 1104421143 - 2⁶ = 1104421079 is a prime.

It is a super-2 number, since 2×1104421143² = 2439492122210852898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104421147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140680 + ... + 148322.

It is an arithmetic number, because the mean of its divisors is an integer number (71456112).

Almost surely, 2^1104421143 is an apocalyptic number.

1104421143 is a deficient number, since it is larger than the sum of its proper divisors (610525545).

1104421143 is an equidigital number, since it uses as much as digits as its factorization.

1104421143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643 (or 8636 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1104421143 is about 33232.8323048157. The cubic root of 1104421143 is about 1033.6612540134.

Adding to 1104421143 its reverse (3411244011), we get a palindrome (4515665154).

The spelling of 1104421143 in words is "one billion, one hundred four million, four hundred twenty-one thousand, one hundred forty-three".