1142224087 has 2 divisors, whose sum is σ = 1142224088. Its totient is φ = 1142224086.

The previous prime is 1142224019. The next prime is 1142224103. The reversal of 1142224087 is 7804222411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142224087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142224687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571112043 + 571112044.

It is an arithmetic number, because the mean of its divisors is an integer number (571112044).

Almost surely, 2^1142224087 is an apocalyptic number.

1142224087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142224087 is an equidigital number, since it uses as much as digits as its factorization.

1142224087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1142224087 is about 33796.8058697860. The cubic root of 1142224087 is about 1045.3228360849.

Adding to 1142224087 its reverse (7804222411), we get a palindrome (8946446498).

The spelling of 1142224087 in words is "one billion, one hundred forty-two million, two hundred twenty-four thousand, eighty-seven".