1140485 has 4 divisors (see below), whose sum is σ = 1368588. Its totient is φ = 912384.

The previous prime is 1140463. The next prime is 1140487. The reversal of 1140485 is 5840411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 833569 + 306916 = 913^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140485 - 2⁶ = 1140421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140487) 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, 114044 + ... + 114053.

It is an arithmetic number, because the mean of its divisors is an integer number (342147).

2^1140485 is an apocalyptic number.

It is an amenable number.

1140485 is a deficient number, since it is larger than the sum of its proper divisors (228103).

1140485 is an equidigital number, since it uses as much as digits as its factorization.

1140485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228102.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1140485 is about 1067.9349231110. The cubic root of 1140485 is about 104.4792049767.

Adding to 1140485 its reverse (5840411), we get a palindrome (6980896).

The spelling of 1140485 in words is "one million, one hundred forty thousand, four hundred eighty-five".