1080099 has 6 divisors (see below), whose sum is σ = 1560156. Its totient is φ = 720060.

The previous prime is 1080097. The next prime is 1080119. The reversal of 1080099 is 9900801.

It is not a de Polignac number, because 1080099 - 2¹ = 1080097 is a prime.

It is a super-2 number, since 2×1080099² = 2333227699602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1080091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59997 + ... + 60014.

It is an arithmetic number, because the mean of its divisors is an integer number (260026).

2^1080099 is an apocalyptic number.

1080099 is a deficient number, since it is larger than the sum of its proper divisors (480057).

1080099 is a wasteful number, since it uses less digits than its factorization.

1080099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120017 (or 120014 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1080099 is about 1039.2781148470. The cubic root of 1080099 is about 102.6016916607.

The spelling of 1080099 in words is "one million, eighty thousand, ninety-nine".