1148687 has 2 divisors, whose sum is σ = 1148688. Its totient is φ = 1148686.

The previous prime is 1148681. The next prime is 1148701. The reversal of 1148687 is 7868411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1148687 - 2¹⁶ = 1083151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574343 + 574344.

It is an arithmetic number, because the mean of its divisors is an integer number (574344).

2^1148687 is an apocalyptic number.

1148687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148687 is an equidigital number, since it uses as much as digits as its factorization.

1148687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 35.

The square root of 1148687 is about 1071.7681652298. The cubic root of 1148687 is about 104.7290671941.

The spelling of 1148687 in words is "one million, one hundred forty-eight thousand, six hundred eighty-seven".