1141229 has 2 divisors, whose sum is σ = 1141230. Its totient is φ = 1141228.

The previous prime is 1141223. The next prime is 1141241. The reversal of 1141229 is 9221411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769129 + 372100 = 877^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141229 - 2⁸ = 1140973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570614 + 570615.

It is an arithmetic number, because the mean of its divisors is an integer number (570615).

2^1141229 is an apocalyptic number.

It is an amenable number.

1141229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141229 is an equidigital number, since it uses as much as digits as its factorization.

1141229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

The square root of 1141229 is about 1068.2832021519. The cubic root of 1141229 is about 104.5019191821.

The spelling of 1141229 in words is "one million, one hundred forty-one thousand, two hundred twenty-nine".