1122137 has 2 divisors, whose sum is σ = 1122138. Its totient is φ = 1122136.

The previous prime is 1122133. The next prime is 1122139. The reversal of 1122137 is 7312211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073296 + 48841 = 1036^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122137 - 2² = 1122133 is a prime.

Together with 1122139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1122131) 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 as a sum of consecutive naturals, namely, 561068 + 561069.

It is an arithmetic number, because the mean of its divisors is an integer number (561069).

2^1122137 is an apocalyptic number.

It is an amenable number.

1122137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122137 is an equidigital number, since it uses as much as digits as its factorization.

1122137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84, while the sum is 17.

The square root of 1122137 is about 1059.3096808771. The cubic root of 1122137 is about 103.9158898343.

Adding to 1122137 its reverse (7312211), we get a palindrome (8434348).

The spelling of 1122137 in words is "one million, one hundred twenty-two thousand, one hundred thirty-seven".