1105047247 has 2 divisors, whose sum is σ = 1105047248. Its totient is φ = 1105047246.

The previous prime is 1105047197. The next prime is 1105047257. The reversal of 1105047247 is 7427405011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105047247 is a prime.

It is a super-2 number, since 2×1105047247² = 2442258836204558018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105047257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552523623 + 552523624.

It is an arithmetic number, because the mean of its divisors is an integer number (552523624).

Almost surely, 2^1105047247 is an apocalyptic number.

1105047247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105047247 is an equidigital number, since it uses as much as digits as its factorization.

1105047247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 1105047247 is about 33242.2509316081. The cubic root of 1105047247 is about 1033.8565470233.

The spelling of 1105047247 in words is "one billion, one hundred five million, forty-seven thousand, two hundred forty-seven".