1016091 has 8 divisors (see below), whose sum is σ = 1505360. Its totient is φ = 677376.

The previous prime is 1016089. The next prime is 1016111. The reversal of 1016091 is 1906101.

1016091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1016091 - 2¹ = 1016089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18790 + ... + 18843.

It is an arithmetic number, because the mean of its divisors is an integer number (188170).

2^1016091 is an apocalyptic number.

1016091 is a deficient number, since it is larger than the sum of its proper divisors (489269).

1016091 is an equidigital number, since it uses as much as digits as its factorization.

1016091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37642 (or 37636 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1016091 is about 1008.0133927682. The cubic root of 1016091 is about 100.5335152198.

The spelling of 1016091 in words is "one million, sixteen thousand, ninety-one".