1101224 has 8 divisors (see below), whose sum is σ = 2064810. Its totient is φ = 550608.

The previous prime is 1101211. The next prime is 1101229. The reversal of 1101224 is 4221011.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 136900 = 982^2 + 370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1101229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68819 + ... + 68834.

2^1101224 is an apocalyptic number.

It is an amenable number.

1101224 is a deficient number, since it is larger than the sum of its proper divisors (963586).

1101224 is a wasteful number, since it uses less digits than its factorization.

1101224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137659 (or 137655 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1101224 is about 1049.3922050406. The cubic root of 1101224 is about 103.2662855609.

Adding to 1101224 its reverse (4221011), we get a palindrome (5322235).

The spelling of 1101224 in words is "one million, one hundred one thousand, two hundred twenty-four".