1112345105 has 12 divisors (see below), whose sum is σ = 1417953180. Its totient is φ = 837529344.

The previous prime is 1112345033. The next prime is 1112345119. The reversal of 1112345105 is 5015432111.

It can be written as a sum of positive squares in 6 ways, for example, as 8976016 + 1103369089 = 2996^2 + 33217^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1112345105 is a prime.

It is a super-2 number, since 2×1112345105² = 2474623265234922050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383450 + ... + 386339.

It is an arithmetic number, because the mean of its divisors is an integer number (118162765).

Almost surely, 2^1112345105 is an apocalyptic number.

It is an amenable number.

1112345105 is a deficient number, since it is larger than the sum of its proper divisors (305608075).

1112345105 is an equidigital number, since it uses as much as digits as its factorization.

1112345105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769828 (or 769811 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1112345105 is about 33351.8381052679. The cubic root of 1112345105 is about 1036.1274573859.

Adding to 1112345105 its reverse (5015432111), we get a palindrome (6127777216).

The spelling of 1112345105 in words is "one billion, one hundred twelve million, three hundred forty-five thousand, one hundred five".