1100124 has 18 divisors (see below), whose sum is σ = 2780960. Its totient is φ = 366696.

The previous prime is 1100123. The next prime is 1100131. The reversal of 1100124 is 4210011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15244 + ... + 15315.

2^1100124 is an apocalyptic number.

It is an amenable number.

1100124 is an abundant number, since it is smaller than the sum of its proper divisors (1680836).

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

1100124 is a wasteful number, since it uses less digits than its factorization.

1100124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30569 (or 30564 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1100124 is about 1048.8679611848. The cubic root of 1100124 is about 103.2318902706.

Adding to 1100124 its reverse (4210011), we get a palindrome (5310135).

It can be divided in two parts, 11001 and 24, that added together give a square (11025 = 105²).

The spelling of 1100124 in words is "one million, one hundred thousand, one hundred twenty-four".