1112345678 has 8 divisors (see below), whose sum is σ = 1684112472. Its totient is φ = 550974856.

The previous prime is 1112345669. The next prime is 1112345681. The reversal of 1112345678 is 8765432111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598725 + ... + 2599152.

It is an arithmetic number, because the mean of its divisors is an integer number (210514059).

Almost surely, 2^1112345678 is an apocalyptic number.

1112345678 is a deficient number, since it is larger than the sum of its proper divisors (571766794).

1112345678 is a wasteful number, since it uses less digits than its factorization.

1112345678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197986.

The product of its digits is 40320, while the sum is 38.

The square root of 1112345678 is about 33351.8466954980. The cubic root of 1112345678 is about 1036.1276352986.

Adding to 1112345678 its reverse (8765432111), we get a palindrome (9877777789).

The spelling of 1112345678 in words is "one billion, one hundred twelve million, three hundred forty-five thousand, six hundred seventy-eight".