1140541 has 8 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 1082928.

The previous prime is 1140539. The next prime is 1140563. The reversal of 1140541 is 1450411.

1140541 = T₁₅₀ + T₁₅₁ + ... + T₂₁₆.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140541 - 2¹ = 1140539 is a prime.

It is a Duffinian number.

1140541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140571) 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, 1650 + ... + 2236.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^1140541 is an apocalyptic number.

It is an amenable number.

1140541 is a deficient number, since it is larger than the sum of its proper divisors (58979).

1140541 is an equidigital number, since it uses as much as digits as its factorization.

1140541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

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

The square root of 1140541 is about 1067.9611416152. The cubic root of 1140541 is about 104.4809149918.

Adding to 1140541 its reverse (1450411), we get a palindrome (2590952).

It can be divided in two parts, 1140 and 541, that added together give a square (1681 = 41²).

The spelling of 1140541 in words is "one million, one hundred forty thousand, five hundred forty-one".