1114640 has 20 divisors (see below), whose sum is σ = 2591724. Its totient is φ = 445824.

The previous prime is 1114613. The next prime is 1114651. The reversal of 1114640 is 464111.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 246016 = 932^2 + 496^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6887 + ... + 7046.

2^1114640 is an apocalyptic number.

1114640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1114640 is an abundant number, since it is smaller than the sum of its proper divisors (1477084).

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

1114640 is a wasteful number, since it uses less digits than its factorization.

1114640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946 (or 13940 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1114640 is about 1055.7651253948. The cubic root of 1114640 is about 103.6839517685.

Adding to 1114640 its reverse (464111), we get a palindrome (1578751).

The spelling of 1114640 in words is "one million, one hundred fourteen thousand, six hundred forty".