1075091 has 2 divisors, whose sum is σ = 1075092. Its totient is φ = 1075090.

The previous prime is 1075079. The next prime is 1075093. The reversal of 1075091 is 1905701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1075091 - 2⁶ = 1075027 is a prime.

Together with 1075093, 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 (1075093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537545 + 537546.

It is an arithmetic number, because the mean of its divisors is an integer number (537546).

2^1075091 is an apocalyptic number.

1075091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075091 is an equidigital number, since it uses as much as digits as its factorization.

1075091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 1075091 is about 1036.8659508345. The cubic root of 1075091 is about 102.4428711988.

The spelling of 1075091 in words is "one million, seventy-five thousand, ninety-one".