1120451043 has 8 divisors (see below), whose sum is σ = 1528677568. Its totient is φ = 729595944.

The previous prime is 1120451029. The next prime is 1120451051. The reversal of 1120451043 is 3401540211.

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

It is not a de Polignac number, because 1120451043 - 2⁴ = 1120451027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120451083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4342705 + ... + 4342962.

It is an arithmetic number, because the mean of its divisors is an integer number (191084696).

Almost surely, 2^1120451043 is an apocalyptic number.

1120451043 is a deficient number, since it is larger than the sum of its proper divisors (408226525).

1120451043 is an equidigital number, since it uses as much as digits as its factorization.

1120451043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8685713.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1120451043 is about 33473.1391267685. The cubic root of 1120451043 is about 1038.6382086913.

Adding to 1120451043 its reverse (3401540211), we get a palindrome (4521991254).

The spelling of 1120451043 in words is "one billion, one hundred twenty million, four hundred fifty-one thousand, forty-three".