1227150 has 72 divisors (see below), whose sum is σ = 3452904. Its totient is φ = 324000.

The previous prime is 1227143. The next prime is 1227151. The reversal of 1227150 is 517221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12100 + ... + 12200.

It is an arithmetic number, because the mean of its divisors is an integer number (47957).

2^1227150 is an apocalyptic number.

1227150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726452).

1227150 is an abundant number, since it is smaller than the sum of its proper divisors (2225754).

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

1227150 is a wasteful number, since it uses less digits than its factorization.

1227150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1227150 is about 1107.7680262582. The cubic root of 1227150 is about 107.0613093773.

It can be divided in two parts, 12271 and 50, that added together give a palindrome (12321).

The spelling of 1227150 in words is "one million, two hundred twenty-seven thousand, one hundred fifty".