1011799 has 2 divisors, whose sum is σ = 1011800. Its totient is φ = 1011798.

The previous prime is 1011797. The next prime is 1011817. The reversal of 1011799 is 9971101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011799 - 2¹ = 1011797 is a prime.

Together with 1011797, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505899 + 505900.

It is an arithmetic number, because the mean of its divisors is an integer number (505900).

2^1011799 is an apocalyptic number.

1011799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011799 is an equidigital number, since it uses as much as digits as its factorization.

1011799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 1011799 is about 1005.8821998624. The cubic root of 1011799 is about 100.3917632116.

The spelling of 1011799 in words is "one million, eleven thousand, seven hundred ninety-nine".