1142122229 has 2 divisors, whose sum is σ = 1142122230. Its totient is φ = 1142122228.

The previous prime is 1142122217. The next prime is 1142122291. The reversal of 1142122229 is 9222212411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1124059729 + 18062500 = 33527^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142122229 - 2⁸ = 1142121973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142122198 and 1142122207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142121229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571061114 + 571061115.

It is an arithmetic number, because the mean of its divisors is an integer number (571061115).

Almost surely, 2^1142122229 is an apocalyptic number.

It is an amenable number.

1142122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142122229 is an equidigital number, since it uses as much as digits as its factorization.

1142122229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 1142122229 is about 33795.2989186366. The cubic root of 1142122229 is about 1045.2917628890.

The spelling of 1142122229 in words is "one billion, one hundred forty-two million, one hundred twenty-two thousand, two hundred twenty-nine".