1140147 has 6 divisors (see below), whose sum is σ = 1646892. Its totient is φ = 760092.

The previous prime is 1140143. The next prime is 1140157. The reversal of 1140147 is 7410411.

It is not a de Polignac number, because 1140147 - 2² = 1140143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140143) 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 5 ways as a sum of consecutive naturals, for example, 63333 + ... + 63350.

It is an arithmetic number, because the mean of its divisors is an integer number (274482).

2^1140147 is an apocalyptic number.

1140147 is a deficient number, since it is larger than the sum of its proper divisors (506745).

1140147 is a wasteful number, since it uses less digits than its factorization.

1140147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126689 (or 126686 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1140147 is about 1067.7766620413. The cubic root of 1140147 is about 104.4688826254.

Adding to 1140147 its reverse (7410411), we get a palindrome (8550558).

The spelling of 1140147 in words is "one million, one hundred forty thousand, one hundred forty-seven".