1113240 has 32 divisors (see below), whose sum is σ = 3340080. Its totient is φ = 296832.

The previous prime is 1113239. The next prime is 1113253. The reversal of 1113240 is 423111.

It is a happy number.

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, 4519 + ... + 4758.

2^1113240 is an apocalyptic number.

1113240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113240 is an abundant number, since it is smaller than the sum of its proper divisors (2226840).

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

1113240 is a wasteful number, since it uses less digits than its factorization.

1113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291 (or 9287 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1113240 is about 1055.1018908143. The cubic root of 1113240 is about 103.6405241901.

Adding to 1113240 its reverse (423111), we get a palindrome (1536351).

The spelling of 1113240 in words is "one million, one hundred thirteen thousand, two hundred forty".