1352506372121 has 2 divisors, whose sum is σ = 1352506372122. Its totient is φ = 1352506372120.

The previous prime is 1352506372073. The next prime is 1352506372153. The reversal of 1352506372121 is 1212736052531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 749808787225 + 602697584896 = 865915^2 + 776336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352506372121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352506377121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676253186060 + 676253186061.

It is an arithmetic number, because the mean of its divisors is an integer number (676253186061).

Almost surely, 2^{1352506372121} is an apocalyptic number.

It is an amenable number.

1352506372121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352506372121 is an equidigital number, since it uses as much as digits as its factorization.

1352506372121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 1352506372121 in words is "one trillion, three hundred fifty-two billion, five hundred six million, three hundred seventy-two thousand, one hundred twenty-one".