1142122711 has 2 divisors, whose sum is σ = 1142122712. Its totient is φ = 1142122710.

The previous prime is 1142122687. The next prime is 1142122727. The reversal of 1142122711 is 1172212411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142122711 - 2²³ = 1133734103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142120711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571061355 + 571061356.

It is an arithmetic number, because the mean of its divisors is an integer number (571061356).

Almost surely, 2^1142122711 is an apocalyptic number.

1142122711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142122711 is an equidigital number, since it uses as much as digits as its factorization.

1142122711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 22.

The square root of 1142122711 is about 33795.3060498052. The cubic root of 1142122711 is about 1045.2919099341.

The spelling of 1142122711 in words is "one billion, one hundred forty-two million, one hundred twenty-two thousand, seven hundred eleven".