1121071 has 12 divisors (see below), whose sum is σ = 1321488. Its totient is φ = 948192.

The previous prime is 1121051. The next prime is 1121083. The reversal of 1121071 is 1701211.

It is not a de Polignac number, because 1121071 - 2¹⁷ = 989999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6630 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (110124).

2^1121071 is an apocalyptic number.

1121071 is a deficient number, since it is larger than the sum of its proper divisors (200417).

1121071 is a wasteful number, since it uses less digits than its factorization.

1121071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1121071 is about 1058.8064034563. The cubic root of 1121071 is about 103.8829736412.

Adding to 1121071 its reverse (1701211), we get a palindrome (2822282).

The spelling of 1121071 in words is "one million, one hundred twenty-one thousand, seventy-one".