1148263587 has 16 divisors (see below), whose sum is σ = 1747109280. Its totient is φ = 744818976.

The previous prime is 1148263577. The next prime is 1148263619. The reversal of 1148263587 is 7853628411.

1148263587 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 2 + 63 + 587 = 666.

It is not a de Polignac number, because 1148263587 - 2¹⁸ = 1148001443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1148263577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573708 + ... + 575705.

It is an arithmetic number, because the mean of its divisors is an integer number (109194330).

Almost surely, 2^1148263587 is an apocalyptic number.

1148263587 is a deficient number, since it is larger than the sum of its proper divisors (598845693).

1148263587 is a wasteful number, since it uses less digits than its factorization.

1148263587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149459 (or 1149453 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 1148263587 is about 33886.0382311063. The cubic root of 1148263587 is about 1047.1619768940.

The spelling of 1148263587 in words is "one billion, one hundred forty-eight million, two hundred sixty-three thousand, five hundred eighty-seven".