1142242711 has 2 divisors, whose sum is σ = 1142242712. Its totient is φ = 1142242710.

The previous prime is 1142242693. The next prime is 1142242727. The reversal of 1142242711 is 1172422411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142242711 - 2⁵ = 1142242679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142342711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571121355 + 571121356.

It is an arithmetic number, because the mean of its divisors is an integer number (571121356).

Almost surely, 2^1142242711 is an apocalyptic number.

1142242711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142242711 is an equidigital number, since it uses as much as digits as its factorization.

1142242711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 25.

The square root of 1142242711 is about 33797.0813976592. The cubic root of 1142242711 is about 1045.3285173947.

The spelling of 1142242711 in words is "one billion, one hundred forty-two million, two hundred forty-two thousand, seven hundred eleven".