1142232444427 has 2 divisors, whose sum is σ = 1142232444428. Its totient is φ = 1142232444426.

The previous prime is 1142232444407. The next prime is 1142232444461. The reversal of 1142232444427 is 7244442322411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142232444427 - 2³⁹ = 592476630539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142232444427.

It is not a weakly prime, because it can be changed into another prime (1142232444407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571116222213 + 571116222214.

It is an arithmetic number, because the mean of its divisors is an integer number (571116222214).

Almost surely, 2^{1142232444427} is an apocalyptic number.

1142232444427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142232444427 is an equidigital number, since it uses as much as digits as its factorization.

1142232444427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 40.

Adding to 1142232444427 its reverse (7244442322411), we get a palindrome (8386674766838).

The spelling of 1142232444427 in words is "one trillion, one hundred forty-two billion, two hundred thirty-two million, four hundred forty-four thousand, four hundred twenty-seven".