1141580 has 24 divisors (see below), whose sum is σ = 2615760. Its totient is φ = 415040.

The previous prime is 1141573. The next prime is 1141597. The reversal of 1141580 is 851411.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2375 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (108990).

2^1141580 is an apocalyptic number.

1141580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141580 is an abundant number, since it is smaller than the sum of its proper divisors (1474180).

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

1141580 is a wasteful number, since it uses less digits than its factorization.

1141580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209 (or 5207 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1141580 is about 1068.4474718020. The cubic root of 1141580 is about 104.5126317308.

Adding to 1141580 its reverse (851411), we get a palindrome (1992991).

The spelling of 1141580 in words is "one million, one hundred forty-one thousand, five hundred eighty".