1112321043 has 12 divisors (see below), whose sum is σ = 1607932248. Its totient is φ = 740972160.

The previous prime is 1112321011. The next prime is 1112321053. The reversal of 1112321043 is 3401232111.

It is not a de Polignac number, because 1112321043 - 2⁵ = 1112321011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112321053) 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, 35518 + ... + 59043.

It is an arithmetic number, because the mean of its divisors is an integer number (133994354).

Almost surely, 2^1112321043 is an apocalyptic number.

1112321043 is a deficient number, since it is larger than the sum of its proper divisors (495611205).

1112321043 is a wasteful number, since it uses less digits than its factorization.

1112321043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95874 (or 95871 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1112321043 is about 33351.4773735737. The cubic root of 1112321043 is about 1036.1199862397.

Adding to 1112321043 its reverse (3401232111), we get a palindrome (4513553154).

The spelling of 1112321043 in words is "one billion, one hundred twelve million, three hundred twenty-one thousand, forty-three".