1141140 has 192 divisors, whose sum is σ = 4515840. Its totient is φ = 207360.

The previous prime is 1141139. The next prime is 1141171. The reversal of 1141140 is 411411.

1141140 is nontrivially palindromic in base 8.

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 63 ways as a sum of consecutive naturals, for example, 60051 + ... + 60069.

It is an arithmetic number, because the mean of its divisors is an integer number (23520).

2^1141140 is an apocalyptic number.

1141140 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 1141140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257920).

1141140 is an abundant number, since it is smaller than the sum of its proper divisors (3374700).

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

1141140 is a wasteful number, since it uses less digits than its factorization.

1141140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1141140 is about 1068.2415457189. The cubic root of 1141140 is about 104.4992025457.

Adding to 1141140 its reverse (411411), we get a palindrome (1552551).

It can be divided in two parts, 1 and 141140, that added together give a palindrome (141141).

The spelling of 1141140 in words is "one million, one hundred forty-one thousand, one hundred forty".