1200134024009 has 2 divisors, whose sum is σ = 1200134024010. Its totient is φ = 1200134024008.

The previous prime is 1200134023997. The next prime is 1200134024039. The reversal of 1200134024009 is 9004204310021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168243207609 + 31890816400 = 1080853^2 + 178580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200134024009 - 2¹² = 1200134019913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200134024039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600067012004 + 600067012005.

It is an arithmetic number, because the mean of its divisors is an integer number (600067012005).

Almost surely, 2^{1200134024009} is an apocalyptic number.

It is an amenable number.

1200134024009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200134024009 is an equidigital number, since it uses as much as digits as its factorization.

1200134024009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 1200134024009 in words is "one trillion, two hundred billion, one hundred thirty-four million, twenty-four thousand, nine".