1112471865 has 12 divisors (see below), whose sum is σ = 1928284644. Its totient is φ = 593318304.

The previous prime is 1112471863. The next prime is 1112471881. The reversal of 1112471865 is 5681742111.

1112471865 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 363245481 + 749226384 = 19059^2 + 27372^2 .

It is not a de Polignac number, because 1112471865 - 2¹ = 1112471863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112471863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12360754 + ... + 12360843.

It is an arithmetic number, because the mean of its divisors is an integer number (160690387).

Almost surely, 2^1112471865 is an apocalyptic number.

1112471865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1112471865 is a deficient number, since it is larger than the sum of its proper divisors (815812779).

1112471865 is a wasteful number, since it uses less digits than its factorization.

1112471865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24721608 (or 24721605 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 1112471865 is about 33353.7383961678. The cubic root of 1112471865 is about 1036.1668140349.

It can be divided in two parts, 111 and 2471865, that added together give a triangular number (2471976 = T₂₂₂₃).

The spelling of 1112471865 in words is "one billion, one hundred twelve million, four hundred seventy-one thousand, eight hundred sixty-five".