1130420443 has 4 divisors (see below), whose sum is σ = 1142074360. Its totient is φ = 1118766528.

The previous prime is 1130420441. The next prime is 1130420461. The reversal of 1130420443 is 3440240311.

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 1130420443 - 2¹ = 1130420441 is a prime.

It is a super-3 number, since 3×1130420443³ (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 (1130420441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5826813 + ... + 5827006.

It is an arithmetic number, because the mean of its divisors is an integer number (285518590).

Almost surely, 2^1130420443 is an apocalyptic number.

1130420443 is a deficient number, since it is larger than the sum of its proper divisors (11653917).

1130420443 is an equidigital number, since it uses as much as digits as its factorization.

1130420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11653916.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1130420443 is about 33621.7257588007. The cubic root of 1130420443 is about 1041.7096027643.

Adding to 1130420443 its reverse (3440240311), we get a palindrome (4570660754).

The spelling of 1130420443 in words is "one billion, one hundred thirty million, four hundred twenty thousand, four hundred forty-three".