1120631663 has 16 divisors (see below), whose sum is σ = 1164391200. Its totient is φ = 1077964800.

The previous prime is 1120631627. The next prime is 1120631713. The reversal of 1120631663 is 3661360211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120631663 - 2¹² = 1120627567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120631063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529295 + ... + 531407.

It is an arithmetic number, because the mean of its divisors is an integer number (72774450).

Almost surely, 2^1120631663 is an apocalyptic number.

1120631663 is a deficient number, since it is larger than the sum of its proper divisors (43759537).

1120631663 is a wasteful number, since it uses less digits than its factorization.

1120631663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1120631663 is about 33475.8370022319. The cubic root of 1120631663 is about 1038.6940162029.

Adding to 1120631663 its reverse (3661360211), we get a palindrome (4781991874).

The spelling of 1120631663 in words is "one billion, one hundred twenty million, six hundred thirty-one thousand, six hundred sixty-three".