1099075 has 6 divisors (see below), whose sum is σ = 1362884. Its totient is φ = 879240.

The previous prime is 1099057. The next prime is 1099079. The reversal of 1099075 is 5709901.

It is not a de Polignac number, because 1099075 - 2¹³ = 1090883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1099079) 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, 21957 + ... + 22006.

2^1099075 is an apocalyptic number.

1099075 is a deficient number, since it is larger than the sum of its proper divisors (263809).

1099075 is an equidigital number, since it uses as much as digits as its factorization.

1099075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43973 (or 43968 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 1099075 is about 1048.3677789784. The cubic root of 1099075 is about 103.1990683068.

The spelling of 1099075 in words is "one million, ninety-nine thousand, seventy-five".