1092140705 has 4 divisors (see below), whose sum is σ = 1310568852. Its totient is φ = 873712560.

The previous prime is 1092140701. The next prime is 1092140723. The reversal of 1092140705 is 5070412901.

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 639685264 + 452455441 = 25292^2 + 21271^2 .

It is not a de Polignac number, because 1092140705 - 2² = 1092140701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1092140701) by changing a digit.

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, 109214066 + ... + 109214075.

It is an arithmetic number, because the mean of its divisors is an integer number (327642213).

Almost surely, 2^1092140705 is an apocalyptic number.

It is an amenable number.

1092140705 is a deficient number, since it is larger than the sum of its proper divisors (218428147).

1092140705 is an equidigital number, since it uses as much as digits as its factorization.

1092140705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218428146.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1092140705 is about 33047.5521786410. The cubic root of 1092140705 is about 1029.8157539546.

The spelling of 1092140705 in words is "one billion, ninety-two million, one hundred forty thousand, seven hundred five".