1107144 has 24 divisors (see below), whose sum is σ = 2998710. Its totient is φ = 369024.

The previous prime is 1107109. The next prime is 1107157. The reversal of 1107144 is 4417011.

It can be written as a sum of positive squares in only one way, i.e., 562500 + 544644 = 750^2 + 738^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7617 + ... + 7760.

2^1107144 is an apocalyptic number.

It is an amenable number.

1107144 is an abundant number, since it is smaller than the sum of its proper divisors (1891566).

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

1107144 is a wasteful number, since it uses less digits than its factorization.

1107144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15389 (or 15382 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1107144 is about 1052.2091046935. The cubic root of 1107144 is about 103.4510025028.

The spelling of 1107144 in words is "one million, one hundred seven thousand, one hundred forty-four".