1142224529 has 2 divisors, whose sum is σ = 1142224530. Its totient is φ = 1142224528.

The previous prime is 1142224511. The next prime is 1142224541. The reversal of 1142224529 is 9254222411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1139737600 + 2486929 = 33760^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142224529 - 2²⁰ = 1141175953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142224495 and 1142224504.

It is not a weakly prime, because it can be changed into another prime (1142224549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571112264 + 571112265.

It is an arithmetic number, because the mean of its divisors is an integer number (571112265).

Almost surely, 2^1142224529 is an apocalyptic number.

It is an amenable number.

1142224529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142224529 is an equidigital number, since it uses as much as digits as its factorization.

1142224529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 1142224529 is about 33796.8124088648. The cubic root of 1142224529 is about 1045.3229709191.

The spelling of 1142224529 in words is "one billion, one hundred forty-two million, two hundred twenty-four thousand, five hundred twenty-nine".