1088742247 has 2 divisors, whose sum is σ = 1088742248. Its totient is φ = 1088742246.

The previous prime is 1088742233. The next prime is 1088742287. The reversal of 1088742247 is 7422478801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1088742247 - 2⁷ = 1088742119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1088742287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544371123 + 544371124.

It is an arithmetic number, because the mean of its divisors is an integer number (544371124).

Almost surely, 2^1088742247 is an apocalyptic number.

1088742247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088742247 is an equidigital number, since it uses as much as digits as its factorization.

1088742247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704, while the sum is 43.

The square root of 1088742247 is about 32996.0944204007. The cubic root of 1088742247 is about 1028.7464710923.

The spelling of 1088742247 in words is "one billion, eighty-eight million, seven hundred forty-two thousand, two hundred forty-seven".