1149287047 has 2 divisors, whose sum is σ = 1149287048. Its totient is φ = 1149287046.

The previous prime is 1149287039. The next prime is 1149287071. The reversal of 1149287047 is 7407829411.

It is a weak prime.

It is an emirp because it is prime and its reverse (7407829411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1149287047 - 2³ = 1149287039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1149286994 and 1149287012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1149287017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574643523 + 574643524.

It is an arithmetic number, because the mean of its divisors is an integer number (574643524).

Almost surely, 2^1149287047 is an apocalyptic number.

1149287047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149287047 is an equidigital number, since it uses as much as digits as its factorization.

1149287047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1149287047 is about 33901.1363673845. The cubic root of 1149287047 is about 1047.4730001794.

The spelling of 1149287047 in words is "one billion, one hundred forty-nine million, two hundred eighty-seven thousand, forty-seven".