1140560 has 40 divisors (see below), whose sum is σ = 2711880. Its totient is φ = 445952.

The previous prime is 1140539. The next prime is 1140563. The reversal of 1140560 is 650411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33856 + 1106704 = 184^2 + 1052^2 .

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

It is a super-2 number, since 2×1140560² = 2601754227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140563) 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, 4106 + ... + 4374.

It is an arithmetic number, because the mean of its divisors is an integer number (67797).

2^1140560 is an apocalyptic number.

1140560 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 1140560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355940).

1140560 is an abundant number, since it is smaller than the sum of its proper divisors (1571320).

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

1140560 is a wasteful number, since it uses less digits than its factorization.

1140560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1140560 is about 1067.9700370329. The cubic root of 1140560 is about 104.4814951628.

Adding to 1140560 its reverse (650411), we get a palindrome (1790971).

The spelling of 1140560 in words is "one million, one hundred forty thousand, five hundred sixty".