1078752247 has 2 divisors, whose sum is σ = 1078752248. Its totient is φ = 1078752246.

The previous prime is 1078752163. The next prime is 1078752251. The reversal of 1078752247 is 7422578701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1078752247 - 2¹¹ = 1078750199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078752277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539376123 + 539376124.

It is an arithmetic number, because the mean of its divisors is an integer number (539376124).

Almost surely, 2^1078752247 is an apocalyptic number.

1078752247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078752247 is an equidigital number, since it uses as much as digits as its factorization.

1078752247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 1078752247 is about 32844.3640066298. The cubic root of 1078752247 is about 1025.5902995200.

The spelling of 1078752247 in words is "one billion, seventy-eight million, seven hundred fifty-two thousand, two hundred forty-seven".