1112642705 has 4 divisors (see below), whose sum is σ = 1335171252. Its totient is φ = 890114160.

The previous prime is 1112642701. The next prime is 1112642711. The reversal of 1112642705 is 5072462111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227044624 + 885598081 = 15068^2 + 29759^2 .

It is not a de Polignac number, because 1112642705 - 2² = 1112642701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1112642701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111264266 + ... + 111264275.

It is an arithmetic number, because the mean of its divisors is an integer number (333792813).

Almost surely, 2^1112642705 is an apocalyptic number.

It is an amenable number.

1112642705 is a deficient number, since it is larger than the sum of its proper divisors (222528547).

1112642705 is an equidigital number, since it uses as much as digits as its factorization.

1112642705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222528546.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1112642705 is about 33356.2993301115. The cubic root of 1112642705 is about 1036.2198519838.

The spelling of 1112642705 in words is "one billion, one hundred twelve million, six hundred forty-two thousand, seven hundred five".