1112367881 has 2 divisors, whose sum is σ = 1112367882. Its totient is φ = 1112367880.

The previous prime is 1112367859. The next prime is 1112367917. The reversal of 1112367881 is 1887632111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794958025 + 317409856 = 28195^2 + 17816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112367881 - 2¹⁸ = 1112105737 is a prime.

It is a super-2 number, since 2×1112367881² = 2474724605360860322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112367811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556183940 + 556183941.

It is an arithmetic number, because the mean of its divisors is an integer number (556183941).

Almost surely, 2^1112367881 is an apocalyptic number.

It is an amenable number.

1112367881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112367881 is an equidigital number, since it uses as much as digits as its factorization.

1112367881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 38.

The square root of 1112367881 is about 33352.1795539662. The cubic root of 1112367881 is about 1036.1345291354.

Adding to 1112367881 its reverse (1887632111), we get a palindrome (2999999992).

The spelling of 1112367881 in words is "one billion, one hundred twelve million, three hundred sixty-seven thousand, eight hundred eighty-one".