1112366621 has 4 divisors (see below), whose sum is σ = 1115009244. Its totient is φ = 1109724000.

The previous prime is 1112366617. The next prime is 1112366623. The reversal of 1112366621 is 1266632111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1266632111 = 97 ⋅13058063.

It can be written as a sum of positive squares in 2 ways, for example, as 15100996 + 1097265625 = 3886^2 + 33125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112366621 - 2² = 1112366617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112366623) 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, 1320680 + ... + 1321521.

It is an arithmetic number, because the mean of its divisors is an integer number (278752311).

Almost surely, 2^1112366621 is an apocalyptic number.

It is an amenable number.

1112366621 is a deficient number, since it is larger than the sum of its proper divisors (2642623).

1112366621 is an equidigital number, since it uses as much as digits as its factorization.

1112366621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642622.

The product of its digits is 2592, while the sum is 29.

The square root of 1112366621 is about 33352.1606646406. The cubic root of 1112366621 is about 1036.1341379189.

Adding to 1112366621 its reverse (1266632111), we get a palindrome (2378998732).

The spelling of 1112366621 in words is "one billion, one hundred twelve million, three hundred sixty-six thousand, six hundred twenty-one".