1011893 has 2 divisors, whose sum is σ = 1011894. Its totient is φ = 1011892.

The previous prime is 1011889. The next prime is 1011917. The reversal of 1011893 is 3981101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908209 + 103684 = 953^2 + 322^2 .

It is an emirp because it is prime and its reverse (3981101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011893 - 2² = 1011889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505946 + 505947.

It is an arithmetic number, because the mean of its divisors is an integer number (505947).

2^1011893 is an apocalyptic number.

It is an amenable number.

1011893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011893 is an equidigital number, since it uses as much as digits as its factorization.

1011893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1011893 is about 1005.9289239305. The cubic root of 1011893 is about 100.3948720417.

Adding to 1011893 its reverse (3981101), we get a palindrome (4992994).

The spelling of 1011893 in words is "one million, eleven thousand, eight hundred ninety-three".