1141220177 has 2 divisors, whose sum is σ = 1141220178. Its totient is φ = 1141220176.

The previous prime is 1141220167. The next prime is 1141220219. The reversal of 1141220177 is 7710221411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707081281 + 434138896 = 26591^2 + 20836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141220177 - 2¹⁰ = 1141219153 is a prime.

It is a super-2 number, since 2×1141220177² = 2604766984783822658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1141220107) 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 as a sum of consecutive naturals, namely, 570610088 + 570610089.

It is an arithmetic number, because the mean of its divisors is an integer number (570610089).

Almost surely, 2^1141220177 is an apocalyptic number.

It is an amenable number.

1141220177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141220177 is an equidigital number, since it uses as much as digits as its factorization.

1141220177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1141220177 is about 33781.9504617481. The cubic root of 1141220177 is about 1045.0164987513.

Adding to 1141220177 its reverse (7710221411), we get a palindrome (8851441588).

The spelling of 1141220177 in words is "one billion, one hundred forty-one million, two hundred twenty thousand, one hundred seventy-seven".