1122550 has 48 divisors (see below), whose sum is σ = 2468592. Its totient is φ = 374400.

The previous prime is 1122533. The next prime is 1122551. The reversal of 1122550 is 552211.

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 in 23 ways as a sum of consecutive naturals, for example, 7072 + ... + 7228.

It is an arithmetic number, because the mean of its divisors is an integer number (51429).

2^1122550 is an apocalyptic number.

1122550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122550 is an abundant number, since it is smaller than the sum of its proper divisors (1346042).

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

1122550 is a wasteful number, since it uses less digits than its factorization.

1122550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1122550 is about 1059.5046012170. The cubic root of 1122550 is about 103.9286369405.

Adding to 1122550 its reverse (552211), we get a palindrome (1674761).

It can be divided in two parts, 112 and 2550, that added together give a palindrome (2662).

The spelling of 1122550 in words is "one million, one hundred twenty-two thousand, five hundred fifty".