1099507 has 2 divisors, whose sum is σ = 1099508. Its totient is φ = 1099506.

The previous prime is 1099499. The next prime is 1099513. The reversal of 1099507 is 7059901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1099507 - 2³ = 1099499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1099547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549753 + 549754.

It is an arithmetic number, because the mean of its divisors is an integer number (549754).

2^1099507 is an apocalyptic number.

1099507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099507 is an equidigital number, since it uses as much as digits as its factorization.

1099507 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1099507 is about 1048.5737933021. The cubic root of 1099507 is about 103.2125876019.

The spelling of 1099507 in words is "one million, ninety-nine thousand, five hundred seven".