1107840 has 64 divisors (see below), whose sum is σ = 3537360. Its totient is φ = 294912.

The previous prime is 1107823. The next prime is 1107851. The reversal of 1107840 is 487011.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632 + ... + 2208.

2^1107840 is an apocalyptic number.

1107840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1107840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768680).

1107840 is an abundant number, since it is smaller than the sum of its proper divisors (2429520).

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

1107840 is an equidigital number, since it uses as much as digits as its factorization.

1107840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1107840 is about 1052.5397854713. The cubic root of 1107840 is about 103.4726759302.

The spelling of 1107840 in words is "one million, one hundred seven thousand, eight hundred forty".