1122588 has 18 divisors (see below), whose sum is σ = 2837744. Its totient is φ = 374184.

The previous prime is 1122587. The next prime is 1122599. The reversal of 1122588 is 8852211.

It is a tau number, because it is divible by the number of its divisors (18).

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 (1122587) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 15556 + ... + 15627.

2^1122588 is an apocalyptic number.

1122588 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1122588 is an abundant number, since it is smaller than the sum of its proper divisors (1715156).

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

1122588 is a wasteful number, since it uses less digits than its factorization.

1122588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31193 (or 31188 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 1122588 is about 1059.5225339746. The cubic root of 1122588 is about 103.9298096406.

Adding to 1122588 its reverse (8852211), we get a palindrome (9974799).

The spelling of 1122588 in words is "one million, one hundred twenty-two thousand, five hundred eighty-eight".