1122556 has 6 divisors (see below), whose sum is σ = 1964480. Its totient is φ = 561276.

The previous prime is 1122551. The next prime is 1122571. The reversal of 1122556 is 6552211.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140316 + ... + 140323.

2^1122556 is an apocalyptic number.

It is an amenable number.

1122556 is a deficient number, since it is larger than the sum of its proper divisors (841924).

1122556 is a wasteful number, since it uses less digits than its factorization.

1122556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280643 (or 280641 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 1122556 is about 1059.5074327252. The cubic root of 1122556 is about 103.9288221054.

Adding to 1122556 its reverse (6552211), we get a palindrome (7674767).

The spelling of 1122556 in words is "one million, one hundred twenty-two thousand, five hundred fifty-six".