1142227057 has 2 divisors, whose sum is σ = 1142227058. Its totient is φ = 1142227056.

The previous prime is 1142227043. The next prime is 1142227063. The reversal of 1142227057 is 7507222411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110822241 + 31404816 = 33329^2 + 5604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142227057 - 2⁷ = 1142226929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142227007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571113528 + 571113529.

It is an arithmetic number, because the mean of its divisors is an integer number (571113529).

Almost surely, 2^1142227057 is an apocalyptic number.

It is an amenable number.

1142227057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142227057 is an equidigital number, since it uses as much as digits as its factorization.

1142227057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 1142227057 is about 33796.8498088209. The cubic root of 1142227057 is about 1045.3237420969.

Adding to 1142227057 its reverse (7507222411), we get a palindrome (8649449468).

The spelling of 1142227057 in words is "one billion, one hundred forty-two million, two hundred twenty-seven thousand, fifty-seven".