1121260402643 has 2 divisors, whose sum is σ = 1121260402644. Its totient is φ = 1121260402642.

The previous prime is 1121260402621. The next prime is 1121260402663. The reversal of 1121260402643 is 3462040621211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121260402643 - 2⁶ = 1121260402579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121260402663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560630201321 + 560630201322.

It is an arithmetic number, because the mean of its divisors is an integer number (560630201322).

Almost surely, 2^{1121260402643} is an apocalyptic number.

1121260402643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121260402643 is an equidigital number, since it uses as much as digits as its factorization.

1121260402643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 1121260402643 in words is "one trillion, one hundred twenty-one billion, two hundred sixty million, four hundred two thousand, six hundred forty-three".