1009499 has 2 divisors, whose sum is σ = 1009500. Its totient is φ = 1009498.

The previous prime is 1009487. The next prime is 1009501. The reversal of 1009499 is 9949001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1009499 - 2⁴ = 1009483 is a prime.

Together with 1009501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1009439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504749 + 504750.

It is an arithmetic number, because the mean of its divisors is an integer number (504750).

2^1009499 is an apocalyptic number.

1009499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009499 is an equidigital number, since it uses as much as digits as its factorization.

1009499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1009499 is about 1004.7382743780. The cubic root of 1009499 is about 100.3156360241.

The spelling of 1009499 in words is "one million, nine thousand, four hundred ninety-nine".