1140475 has 30 divisors (see below), whose sum is σ = 1736620. Its totient is φ = 740880.

The previous prime is 1140463. The next prime is 1140487. The reversal of 1140475 is 5740411.

It is an interprime number because it is at equal distance from previous prime (1140463) and next prime (1140487).

It is not a de Polignac number, because 1140475 - 2¹¹ = 1138427 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

1140475 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 60016 + ... + 60034.

2^1140475 is an apocalyptic number.

1140475 is a deficient number, since it is larger than the sum of its proper divisors (596145).

1140475 is an frugal number, since it uses more digits than its factorization.

1140475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1140475 is about 1067.9302411675. The cubic root of 1140475 is about 104.4788996110.

Adding to 1140475 its reverse (5740411), we get a palindrome (6880886).

The spelling of 1140475 in words is "one million, one hundred forty thousand, four hundred seventy-five".