1120440 has 32 divisors (see below), whose sum is σ = 3361680. Its totient is φ = 298752.

The previous prime is 1120429. The next prime is 1120459. The reversal of 1120440 is 440211.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 4549 + ... + 4788.

2^1120440 is an apocalyptic number.

1120440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120440 is an abundant number, since it is smaller than the sum of its proper divisors (2241240).

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

1120440 is a wasteful number, since it uses less digits than its factorization.

1120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351 (or 9347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1120440 is about 1058.5083844732. The cubic root of 1120440 is about 103.8634796459.

Adding to 1120440 its reverse (440211), we get a palindrome (1560651).

The spelling of 1120440 in words is "one million, one hundred twenty thousand, four hundred forty".