1140465 has 8 divisors (see below), whose sum is σ = 1824768. Its totient is φ = 608240.

The previous prime is 1140463. The next prime is 1140487. The reversal of 1140465 is 5640411.

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

It is not a de Polignac number, because 1140465 - 2¹ = 1140463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38001 + ... + 38030.

It is an arithmetic number, because the mean of its divisors is an integer number (228096).

2^1140465 is an apocalyptic number.

1140465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1140465 is a deficient number, since it is larger than the sum of its proper divisors (684303).

1140465 is an equidigital number, since it uses as much as digits as its factorization.

1140465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76039.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1140465 is about 1067.9255592034. The cubic root of 1140465 is about 104.4785942435.

Adding to 1140465 its reverse (5640411), we get a palindrome (6780876).

The spelling of 1140465 in words is "one million, one hundred forty thousand, four hundred sixty-five".