1081299 has 8 divisors (see below), whose sum is σ = 1504512. Its totient is φ = 689480.

The previous prime is 1081291. The next prime is 1081303. The reversal of 1081299 is 9921801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081299 - 2³ = 1081291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1081291) 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 7 ways as a sum of consecutive naturals, for example, 7767 + ... + 7904.

It is an arithmetic number, because the mean of its divisors is an integer number (188064).

2^1081299 is an apocalyptic number.

1081299 is a deficient number, since it is larger than the sum of its proper divisors (423213).

1081299 is a wasteful number, since it uses less digits than its factorization.

1081299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15697.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 1081299 is about 1039.8552783921. The cubic root of 1081299 is about 102.6396747411.

The spelling of 1081299 in words is "one million, eighty-one thousand, two hundred ninety-nine".