1133121277 has 2 divisors, whose sum is σ = 1133121278. Its totient is φ = 1133121276.

The previous prime is 1133121271. The next prime is 1133121293. The reversal of 1133121277 is 7721213311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636098841 + 497022436 = 25221^2 + 22294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133121277 - 2⁷ = 1133121149 is a prime.

It is a super-3 number, since 3×1133121277³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133121271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566560638 + 566560639.

It is an arithmetic number, because the mean of its divisors is an integer number (566560639).

Almost surely, 2^1133121277 is an apocalyptic number.

It is an amenable number.

1133121277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133121277 is an equidigital number, since it uses as much as digits as its factorization.

1133121277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 28.

The square root of 1133121277 is about 33661.8668080069. The cubic root of 1133121277 is about 1042.5385707272.

Adding to 1133121277 its reverse (7721213311), we get a palindrome (8854334588).

The spelling of 1133121277 in words is "one billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred seventy-seven".