1112050645 has 4 divisors (see below), whose sum is σ = 1334460780. Its totient is φ = 889640512.

The previous prime is 1112050609. The next prime is 1112050661. The reversal of 1112050645 is 5460502111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5460502111 = 17029 ⋅320659.

It can be written as a sum of positive squares in 2 ways, for example, as 275626404 + 836424241 = 16602^2 + 28921^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112050645 - 2¹³ = 1112042453 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111205060 + ... + 111205069.

It is an arithmetic number, because the mean of its divisors is an integer number (333615195).

Almost surely, 2^1112050645 is an apocalyptic number.

It is an amenable number.

1112050645 is a deficient number, since it is larger than the sum of its proper divisors (222410135).

1112050645 is an equidigital number, since it uses as much as digits as its factorization.

1112050645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222410134.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1112050645 is about 33347.4233637323. The cubic root of 1112050645 is about 1036.0360214291.

Adding to 1112050645 its reverse (5460502111), we get a palindrome (6572552756).

The spelling of 1112050645 in words is "one billion, one hundred twelve million, fifty thousand, six hundred forty-five".