1145241187 has 2 divisors, whose sum is σ = 1145241188. Its totient is φ = 1145241186.

The previous prime is 1145241107. The next prime is 1145241191. The reversal of 1145241187 is 7811425411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145241187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145241107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572620593 + 572620594.

It is an arithmetic number, because the mean of its divisors is an integer number (572620594).

Almost surely, 2^1145241187 is an apocalyptic number.

1145241187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145241187 is an equidigital number, since it uses as much as digits as its factorization.

1145241187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 34.

The square root of 1145241187 is about 33841.4123079992. The cubic root of 1145241187 is about 1046.2424077496.

Adding to 1145241187 its reverse (7811425411), we get a palindrome (8956666598).

The spelling of 1145241187 in words is "one billion, one hundred forty-five million, two hundred forty-one thousand, one hundred eighty-seven".