1105044947 has 2 divisors, whose sum is σ = 1105044948. Its totient is φ = 1105044946.

The previous prime is 1105044929. The next prime is 1105044949. The reversal of 1105044947 is 7494405011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105044947 - 2⁸ = 1105044691 is a prime.

It is a super-2 number, since 2×1105044947² = 2442248669780465618, which contains 22 as substring.

Together with 1105044949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1105044949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552522473 + 552522474.

It is an arithmetic number, because the mean of its divisors is an integer number (552522474).

Almost surely, 2^1105044947 is an apocalyptic number.

1105044947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105044947 is an equidigital number, since it uses as much as digits as its factorization.

1105044947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1105044947 is about 33242.2163370615. The cubic root of 1105044947 is about 1033.8558297472.

Adding to 1105044947 its reverse (7494405011), we get a palindrome (8599449958).

The spelling of 1105044947 in words is "one billion, one hundred five million, forty-four thousand, nine hundred forty-seven".