1122136 has 32 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 511488.

The previous prime is 1122133. The next prime is 1122137. The reversal of 1122136 is 6312211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4921 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^1122136 is an apocalyptic number.

It is an amenable number.

1122136 is an abundant number, since it is smaller than the sum of its proper divisors (1176104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122136 is a wasteful number, since it uses less digits than its factorization.

1122136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 1122136 is about 1059.3092088715. The cubic root of 1122136 is about 103.9158589659.

Adding to 1122136 its reverse (6312211), we get a palindrome (7434347).

The spelling of 1122136 in words is "one million, one hundred twenty-two thousand, one hundred thirty-six".