1112773987 has 4 divisors (see below), whose sum is σ = 1198372000. Its totient is φ = 1027175976.

The previous prime is 1112773979. The next prime is 1112774023. The reversal of 1112773987 is 7893772111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7893772111 = 863 ⋅9146897.

It is a cyclic number.

It is not a de Polignac number, because 1112773987 - 2³ = 1112773979 is a prime.

It is a super-2 number, since 2×1112773987² = 2476531892287752338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112773957) 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, 42798987 + ... + 42799012.

It is an arithmetic number, because the mean of its divisors is an integer number (299593000).

Almost surely, 2^1112773987 is an apocalyptic number.

1112773987 is a deficient number, since it is larger than the sum of its proper divisors (85598013).

1112773987 is an equidigital number, since it uses as much as digits as its factorization.

1112773987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85598012.

The product of its digits is 148176, while the sum is 46.

The square root of 1112773987 is about 33358.2671462413. The cubic root of 1112773987 is about 1036.2606053074.

The spelling of 1112773987 in words is "one billion, one hundred twelve million, seven hundred seventy-three thousand, nine hundred eighty-seven".