1507121071073 has 2 divisors, whose sum is σ = 1507121071074. Its totient is φ = 1507121071072.

The previous prime is 1507121071051. The next prime is 1507121071111. The reversal of 1507121071073 is 3701701217051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231629404944 + 275491666129 = 1109788^2 + 524873^2 .

It is an emirp because it is prime and its reverse (3701701217051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1507121071073 - 2⁶ = 1507121071009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1507121071273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753560535536 + 753560535537.

It is an arithmetic number, because the mean of its divisors is an integer number (753560535537).

Almost surely, 2^{1507121071073} is an apocalyptic number.

It is an amenable number.

1507121071073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1507121071073 is an equidigital number, since it uses as much as digits as its factorization.

1507121071073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10290, while the sum is 35.

The spelling of 1507121071073 in words is "one trillion, five hundred seven billion, one hundred twenty-one million, seventy-one thousand, seventy-three".