1140201 has 12 divisors (see below), whose sum is σ = 1659840. Its totient is φ = 754200.

The previous prime is 1140197. The next prime is 1140203. The reversal of 1140201 is 1020411.

It is a happy number.

It is not a de Polignac number, because 1140201 - 2² = 1140197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1140203) 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 11 ways as a sum of consecutive naturals, for example, 940 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (138320).

2^1140201 is an apocalyptic number.

It is an amenable number.

1140201 is a deficient number, since it is larger than the sum of its proper divisors (519639).

1140201 is a wasteful number, since it uses less digits than its factorization.

1140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1140201 is about 1067.8019479285. The cubic root of 1140201 is about 104.4705318954.

Adding to 1140201 its reverse (1020411), we get a palindrome (2160612).

The spelling of 1140201 in words is "one million, one hundred forty thousand, two hundred one".