1141540 has 12 divisors (see below), whose sum is σ = 2397276. Its totient is φ = 456608.

The previous prime is 1141531. The next prime is 1141541. The reversal of 1141540 is 451411.

It can be written as a sum of positive squares in 2 ways, for example, as 338724 + 802816 = 582^2 + 896^2 .

It is a super-2 number, since 2×1141540² = 2606227143200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1141541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28519 + ... + 28558.

It is an arithmetic number, because the mean of its divisors is an integer number (199773).

2^1141540 is an apocalyptic number.

1141540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141540 is an abundant number, since it is smaller than the sum of its proper divisors (1255736).

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

1141540 is a wasteful number, since it uses less digits than its factorization.

1141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57086 (or 57084 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1141540 is about 1068.4287528890. The cubic root of 1141540 is about 104.5114110384.

Adding to 1141540 its reverse (451411), we get a palindrome (1592951).

It can be divided in two parts, 1141 and 540, that added together give a square (1681 = 41²).

The spelling of 1141540 in words is "one million, one hundred forty-one thousand, five hundred forty".