1112445678 has 16 divisors (see below), whose sum is σ = 2226640896. Its totient is φ = 370523640.

The previous prime is 1112445671. The next prime is 1112445683. The reversal of 1112445678 is 8765442111.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112445671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64558 + ... + 79953.

It is an arithmetic number, because the mean of its divisors is an integer number (139165056).

Almost surely, 2^1112445678 is an apocalyptic number.

1112445678 is an abundant number, since it is smaller than the sum of its proper divisors (1114195218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112445678 is a wasteful number, since it uses less digits than its factorization.

1112445678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145799.

The product of its digits is 53760, while the sum is 39.

The square root of 1112445678 is about 33353.3458291668. The cubic root of 1112445678 is about 1036.1586836980.

Adding to 1112445678 its reverse (8765442111), we get a palindrome (9877887789).

The spelling of 1112445678 in words is "one billion, one hundred twelve million, four hundred forty-five thousand, six hundred seventy-eight".