1209060782459 has 2 divisors, whose sum is σ = 1209060782460. Its totient is φ = 1209060782458.

The previous prime is 1209060782311. The next prime is 1209060782471. The reversal of 1209060782459 is 9542870609021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1209060782459 - 2²⁴ = 1209044005243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1209060782459.

It is not a weakly prime, because it can be changed into another prime (1209060782659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604530391229 + 604530391230.

It is an arithmetic number, because the mean of its divisors is an integer number (604530391230).

Almost surely, 2^{1209060782459} is an apocalyptic number.

1209060782459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1209060782459 is an equidigital number, since it uses as much as digits as its factorization.

1209060782459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 1209060782459 in words is "one trillion, two hundred nine billion, sixty million, seven hundred eighty-two thousand, four hundred fifty-nine".