1111040 has 88 divisors (see below), whose sum is σ = 3144192. Its totient is φ = 368640.

The previous prime is 1111031. The next prime is 1111043. The reversal of 1111040 is 401111.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35825 + ... + 35855.

2^1111040 is an apocalyptic number.

1111040 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 1111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572096).

1111040 is an abundant number, since it is smaller than the sum of its proper divisors (2033152).

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

1111040 is an equidigital number, since it uses as much as digits as its factorization.

1111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1111040 is about 1054.0588218880. The cubic root of 1111040 is about 103.5722072304.

Adding to 1111040 its reverse (401111), we get a palindrome (1512151).

It can be divided in two parts, 111 and 1040, that multiplied together give a triangular number (115440 = T₄₈₀).

The spelling of 1111040 in words is "one million, one hundred eleven thousand, forty".