1201110430489 has 2 divisors, whose sum is σ = 1201110430490. Its totient is φ = 1201110430488.

The previous prime is 1201110430483. The next prime is 1201110430571. The reversal of 1201110430489 is 9840340111021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1018959019225 + 182151411264 = 1009435^2 + 426792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201110430489 - 2¹³ = 1201110422297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201110430483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600555215244 + 600555215245.

It is an arithmetic number, because the mean of its divisors is an integer number (600555215245).

Almost surely, 2^{1201110430489} is an apocalyptic number.

It is an amenable number.

1201110430489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201110430489 is an equidigital number, since it uses as much as digits as its factorization.

1201110430489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 1201110430489 in words is "one trillion, two hundred one billion, one hundred ten million, four hundred thirty thousand, four hundred eighty-nine".