1122712 has 8 divisors (see below), whose sum is σ = 2105100. Its totient is φ = 561352.

The previous prime is 1122701. The next prime is 1122721. The reversal of 1122712 is 2172211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70162 + ... + 70177.

2^1122712 is an apocalyptic number.

It is an amenable number.

1122712 is a deficient number, since it is larger than the sum of its proper divisors (982388).

1122712 is a wasteful number, since it uses less digits than its factorization.

1122712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140345 (or 140341 counting only the distinct ones).

The product of its digits is 56, while the sum is 16.

The square root of 1122712 is about 1059.5810492832. The cubic root of 1122712 is about 103.9336361623.

Adding to 1122712 its reverse (2172211), we get a palindrome (3294923).

The spelling of 1122712 in words is "one million, one hundred twenty-two thousand, seven hundred twelve".