1121127 has 16 divisors (see below), whose sum is σ = 1723392. Its totient is φ = 635040.

The previous prime is 1121101. The next prime is 1121143. The reversal of 1121127 is 7211211.

It is not a de Polignac number, because 1121127 - 2⁸ = 1120871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121147) 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 15 ways as a sum of consecutive naturals, for example, 4002 + ... + 4272.

It is an arithmetic number, because the mean of its divisors is an integer number (107712).

2^1121127 is an apocalyptic number.

1121127 is a deficient number, since it is larger than the sum of its proper divisors (602265).

1121127 is a wasteful number, since it uses less digits than its factorization.

1121127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its digits is 28, while the sum is 15.

The square root of 1121127 is about 1058.8328479982. The cubic root of 1121127 is about 103.8847033413.

Adding to 1121127 its reverse (7211211), we get a palindrome (8332338).

The spelling of 1121127 in words is "one million, one hundred twenty-one thousand, one hundred twenty-seven".