1131484229 has 2 divisors, whose sum is σ = 1131484230. Its totient is φ = 1131484228.

The previous prime is 1131484199. The next prime is 1131484273. The reversal of 1131484229 is 9224841311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807412225 + 324072004 = 28415^2 + 18002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131484229 - 2²⁰ = 1130435653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131484279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565742114 + 565742115.

It is an arithmetic number, because the mean of its divisors is an integer number (565742115).

Almost surely, 2^1131484229 is an apocalyptic number.

It is an amenable number.

1131484229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131484229 is an equidigital number, since it uses as much as digits as its factorization.

1131484229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 1131484229 is about 33637.5419583536. The cubic root of 1131484229 is about 1042.0362684365.

The spelling of 1131484229 in words is "one billion, one hundred thirty-one million, four hundred eighty-four thousand, two hundred twenty-nine".