1100000947 has 2 divisors, whose sum is σ = 1100000948. Its totient is φ = 1100000946.

The previous prime is 1100000939. The next prime is 1100000959. The reversal of 1100000947 is 7490000011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100000947 - 2³ = 1100000939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100000347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000473 + 550000474.

It is an arithmetic number, because the mean of its divisors is an integer number (550000474).

Almost surely, 2^1100000947 is an apocalyptic number.

1100000947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100000947 is an equidigital number, since it uses as much as digits as its factorization.

1100000947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1100000947 is about 33166.2621801131. The cubic root of 1100000947 is about 1032.2804116894.

Adding to 1100000947 its reverse (7490000011), we get a palindrome (8590000958).

The spelling of 1100000947 in words is "one billion, one hundred million, nine hundred forty-seven", and thus it is an aban number.