1121234020427 has 2 divisors, whose sum is σ = 1121234020428. Its totient is φ = 1121234020426.

The previous prime is 1121234020421. The next prime is 1121234020433. The reversal of 1121234020427 is 7240204321211.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1121234020421) and next prime (1121234020433).

It is a cyclic number.

It is not a de Polignac number, because 1121234020427 - 2⁶ = 1121234020363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121234020427.

It is not a weakly prime, because it can be changed into another prime (1121234020421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560617010213 + 560617010214.

It is an arithmetic number, because the mean of its divisors is an integer number (560617010214).

Almost surely, 2^{1121234020427} is an apocalyptic number.

1121234020427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121234020427 is an equidigital number, since it uses as much as digits as its factorization.

1121234020427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 1121234020427 its reverse (7240204321211), we get a palindrome (8361438341638).

The spelling of 1121234020427 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-four million, twenty thousand, four hundred twenty-seven".