1122600 has 48 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 299200.

The previous prime is 1122599. The next prime is 1122623. The reversal of 1122600 is 62211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (72540).

2^1122600 is an apocalyptic number.

1122600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122600 is an abundant number, since it is smaller than the sum of its proper divisors (2359320).

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

1122600 is a wasteful number, since it uses less digits than its factorization.

1122600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1122600 is about 1059.5281968877. The cubic root of 1122600 is about 103.9301799615.

Adding to 1122600 its reverse (62211), we get a palindrome (1184811).

The spelling of 1122600 in words is "one million, one hundred twenty-two thousand, six hundred".