1120113661 has 8 divisors (see below), whose sum is σ = 1159593120. Its totient is φ = 1080691248.

The previous prime is 1120113649. The next prime is 1120113671. The reversal of 1120113661 is 1663110211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120113661 is a prime.

It is a super-2 number, since 2×1120113661² = 2509309227117645842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120113601) 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 7 ways as a sum of consecutive naturals, for example, 27850 + ... + 54916.

It is an arithmetic number, because the mean of its divisors is an integer number (144949140).

Almost surely, 2^1120113661 is an apocalyptic number.

It is an amenable number.

1120113661 is a deficient number, since it is larger than the sum of its proper divisors (39479459).

1120113661 is a wasteful number, since it uses less digits than its factorization.

1120113661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28523.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1120113661 is about 33468.0991542693. The cubic root of 1120113661 is about 1038.5339491862.

Adding to 1120113661 its reverse (1663110211), we get a palindrome (2783223872).

The spelling of 1120113661 in words is "one billion, one hundred twenty million, one hundred thirteen thousand, six hundred sixty-one".