1004122132009 has 2 divisors, whose sum is σ = 1004122132010. Its totient is φ = 1004122132008.

The previous prime is 1004122131953. The next prime is 1004122132019. The reversal of 1004122132009 is 9002312214001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900601000000 + 103521132009 = 949000^2 + 321747^2 .

It is an emirp because it is prime and its reverse (9002312214001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004122132009 - 2²³ = 1004113743401 is a prime.

It is a super-2 number, since 2×1004122132009² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1004122132019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502061066004 + 502061066005.

It is an arithmetic number, because the mean of its divisors is an integer number (502061066005).

Almost surely, 2^{1004122132009} is an apocalyptic number.

It is an amenable number.

1004122132009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004122132009 is an equidigital number, since it uses as much as digits as its factorization.

1004122132009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1004122132009 in words is "one trillion, four billion, one hundred twenty-two million, one hundred thirty-two thousand, nine".