1071099 has 12 divisors (see below), whose sum is σ = 1573312. Its totient is φ = 702000.

The previous prime is 1071067. The next prime is 1071121. The reversal of 1071099 is 9901701.

It is not a de Polignac number, because 1071099 - 2⁵ = 1071067 is a prime.

It is a super-2 number, since 2×1071099² = 2294506135602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071899) 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 11 ways as a sum of consecutive naturals, for example, 427 + ... + 1524.

2^1071099 is an apocalyptic number.

1071099 is a deficient number, since it is larger than the sum of its proper divisors (502213).

1071099 is a wasteful number, since it uses less digits than its factorization.

1071099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 1071099 is about 1034.9391286448. The cubic root of 1071099 is about 102.3159178654.

The spelling of 1071099 in words is "one million, seventy-one thousand, ninety-nine".