1200141 has 6 divisors (see below), whose sum is σ = 1733550. Its totient is φ = 800088.

The previous prime is 1200139. The next prime is 1200161. The reversal of 1200141 is 1410021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 864900 + 335241 = 930^2 + 579^2 .

It is not a de Polignac number, because 1200141 - 2¹ = 1200139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 133349 = 1200141 / (1 + 2 + 0 + 0 + 1 + 4 + 1).

It is a Curzon number.

1200141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66666 + ... + 66683.

It is an arithmetic number, because the mean of its divisors is an integer number (288925).

2^1200141 is an apocalyptic number.

It is an amenable number.

1200141 is a deficient number, since it is larger than the sum of its proper divisors (533409).

1200141 is a wasteful number, since it uses less digits than its factorization.

1200141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133355 (or 133352 counting only the distinct ones).

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

The square root of 1200141 is about 1095.5094705205. The cubic root of 1200141 is about 106.2700188347.

Adding to 1200141 its reverse (1410021), we get a palindrome (2610162).

The spelling of 1200141 in words is "one million, two hundred thousand, one hundred forty-one".