1090971 has 12 divisors (see below), whose sum is σ = 1801072. Its totient is φ = 623376.

The previous prime is 1090967. The next prime is 1090979. The reversal of 1090971 is 1790901.

It is not a de Polignac number, because 1090971 - 2² = 1090967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8596 + ... + 8721.

2^1090971 is an apocalyptic number.

1090971 is a deficient number, since it is larger than the sum of its proper divisors (710101).

1090971 is a wasteful number, since it uses less digits than its factorization.

1090971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17330 (or 17327 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 1090971 is about 1044.4955720347. The cubic root of 1090971 is about 102.9447971388.

The spelling of 1090971 in words is "one million, ninety thousand, nine hundred seventy-one".