1146811229 has 2 divisors, whose sum is σ = 1146811230. Its totient is φ = 1146811228.

The previous prime is 1146811213. The next prime is 1146811307. The reversal of 1146811229 is 9221186411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1135555204 + 11256025 = 33698^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146811229 - 2⁴ = 1146811213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573405614 + 573405615.

It is an arithmetic number, because the mean of its divisors is an integer number (573405615).

Almost surely, 2^1146811229 is an apocalyptic number.

It is an amenable number.

1146811229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146811229 is an equidigital number, since it uses as much as digits as its factorization.

1146811229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 1146811229 is about 33864.6014150470. The cubic root of 1146811229 is about 1046.7202967345.

The spelling of 1146811229 in words is "one billion, one hundred forty-six million, eight hundred eleven thousand, two hundred twenty-nine".