1148086999 has 4 divisors (see below), whose sum is σ = 1149323760. Its totient is φ = 1146850240.

The previous prime is 1148086981. The next prime is 1148087011. The reversal of 1148086999 is 9996808411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9996808411 = 4639 ⋅2154949.

It is a cyclic number.

It is not a de Polignac number, because 1148086999 - 2⁵ = 1148086967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148086909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616987 + ... + 618844.

It is an arithmetic number, because the mean of its divisors is an integer number (287330940).

Almost surely, 2^1148086999 is an apocalyptic number.

1148086999 is a deficient number, since it is larger than the sum of its proper divisors (1236761).

1148086999 is an equidigital number, since it uses as much as digits as its factorization.

1148086999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236760.

The product of its (nonzero) digits is 1119744, while the sum is 55.

The square root of 1148086999 is about 33883.4325150213. The cubic root of 1148086999 is about 1047.1082941794.

The spelling of 1148086999 in words is "one billion, one hundred forty-eight million, eighty-six thousand, nine hundred ninety-nine".