1003091 has 2 divisors, whose sum is σ = 1003092. Its totient is φ = 1003090.

The previous prime is 1003087. The next prime is 1003097. The reversal of 1003091 is 1903001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1003091 - 2² = 1003087 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1003097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501545 + 501546.

It is an arithmetic number, because the mean of its divisors is an integer number (501546).

2^1003091 is an apocalyptic number.

1003091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003091 is an equidigital number, since it uses as much as digits as its factorization.

1003091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1003091 is about 1001.5443075571. The cubic root of 1003091 is about 100.1029273566.

Adding to 1003091 its reverse (1903001), we get a palindrome (2906092).

The spelling of 1003091 in words is "one million, three thousand, ninety-one".