1122300 has 108 divisors (see below), whose sum is σ = 3723720. Its totient is φ = 282240.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122300 is 32211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26079 + ... + 26121.

2^1122300 is an apocalyptic number.

1122300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861860).

1122300 is an abundant number, since it is smaller than the sum of its proper divisors (2601420).

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

1122300 is a wasteful number, since it uses less digits than its factorization.

1122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1122300 is about 1059.3866149806. The cubic root of 1122300 is about 103.9209211481.

Adding to 1122300 its reverse (32211), we get a palindrome (1154511).

The spelling of 1122300 in words is "one million, one hundred twenty-two thousand, three hundred".