1140505 has 8 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 908208.

The previous prime is 1140493. The next prime is 1140533. The reversal of 1140505 is 5050411.

It is a happy number.

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 1140505 - 2⁹ = 1139993 is a prime.

It is a Duffinian number.

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, 1164 + ... + 1906.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

2^1140505 is an apocalyptic number.

It is an amenable number.

1140505 is a deficient number, since it is larger than the sum of its proper divisors (234407).

1140505 is an equidigital number, since it uses as much as digits as its factorization.

1140505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1140505 is about 1067.9442869364. The cubic root of 1140505 is about 104.4798157028.

Adding to 1140505 its reverse (5050411), we get a palindrome (6190916).

The spelling of 1140505 in words is "one million, one hundred forty thousand, five hundred five".