1112406445 has 4 divisors (see below), whose sum is σ = 1334887740. Its totient is φ = 889925152.

The previous prime is 1112406409. The next prime is 1112406467. The reversal of 1112406445 is 5446042111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 658332964 + 454073481 = 25658^2 + 21309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112406445 - 2²⁵ = 1078852013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111240640 + ... + 111240649.

It is an arithmetic number, because the mean of its divisors is an integer number (333721935).

Almost surely, 2^1112406445 is an apocalyptic number.

It is an amenable number.

1112406445 is a deficient number, since it is larger than the sum of its proper divisors (222481295).

1112406445 is an equidigital number, since it uses as much as digits as its factorization.

1112406445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222481294.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1112406445 is about 33352.7576820868. The cubic root of 1112406445 is about 1036.1465027013.

Adding to 1112406445 its reverse (5446042111), we get a palindrome (6558448556).

The spelling of 1112406445 in words is "one billion, one hundred twelve million, four hundred six thousand, four hundred forty-five".