1112105145 has 8 divisors (see below), whose sum is σ = 1779368256. Its totient is φ = 593122736.

The previous prime is 1112105143. The next prime is 1112105147. The reversal of 1112105145 is 5415012111.

It is an interprime number because it is at equal distance from previous prime (1112105143) and next prime (1112105147).

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

It is a cyclic number.

It is not a de Polignac number, because 1112105145 - 2¹ = 1112105143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112105143) 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, 37070157 + ... + 37070186.

It is an arithmetic number, because the mean of its divisors is an integer number (222421032).

Almost surely, 2^1112105145 is an apocalyptic number.

1112105145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1112105145 is a deficient number, since it is larger than the sum of its proper divisors (667263111).

1112105145 is an equidigital number, since it uses as much as digits as its factorization.

1112105145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74140351.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1112105145 is about 33348.2405083087. The cubic root of 1112105145 is about 1036.0529460302.

Adding to 1112105145 its reverse (5415012111), we get a palindrome (6527117256).

The spelling of 1112105145 in words is "one billion, one hundred twelve million, one hundred five thousand, one hundred forty-five".