1110640 has 20 divisors (see below), whose sum is σ = 2582424. Its totient is φ = 444224.

The previous prime is 1110617. The next prime is 1110643. The reversal of 1110640 is 460111.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 1110640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6862 + ... + 7021.

2^1110640 is an apocalyptic number.

1110640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110640 is an abundant number, since it is smaller than the sum of its proper divisors (1471784).

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

1110640 is a wasteful number, since it uses less digits than its factorization.

1110640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13896 (or 13890 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1110640 is about 1053.8690620756. The cubic root of 1110640 is about 103.5597762781.

Adding to 1110640 its reverse (460111), we get a palindrome (1570751).

The spelling of 1110640 in words is "one million, one hundred ten thousand, six hundred forty".