1121146 has 24 divisors (see below), whose sum is σ = 1897344. Its totient is φ = 496080.

The previous prime is 1121143. The next prime is 1121147. The reversal of 1121146 is 6411211.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1121143) 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, 10425 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (79056).

2^1121146 is an apocalyptic number.

1121146 is a deficient number, since it is larger than the sum of its proper divisors (776198).

1121146 is a wasteful number, since it uses less digits than its factorization.

1121146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 153 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 1121146 is about 1058.8418201035. The cubic root of 1121146 is about 103.8852901907.

Adding to 1121146 its reverse (6411211), we get a palindrome (7532357).

The spelling of 1121146 in words is "one million, one hundred twenty-one thousand, one hundred forty-six".