1116240 has 40 divisors (see below), whose sum is σ = 3461088. Its totient is φ = 297600.

The previous prime is 1116229. The next prime is 1116257. The reversal of 1116240 is 426111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086 + ... + 2565.

2^1116240 is an apocalyptic number.

1116240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116240 is an abundant number, since it is smaller than the sum of its proper divisors (2344848).

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

1116240 is a wasteful number, since it uses less digits than its factorization.

1116240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667 (or 4661 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1116240 is about 1056.5225979599. The cubic root of 1116240 is about 103.7335387829.

The spelling of 1116240 in words is "one million, one hundred sixteen thousand, two hundred forty".