402034130400121 has 2 divisors, whose sum is σ = 402034130400122. Its totient is φ = 402034130400120.

The previous prime is 402034130400079. The next prime is 402034130400151. The reversal of 402034130400121 is 121004031430204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305897301606400 + 96136828793721 = 17489920^2 + 9804939^2 .

It is a cyclic number.

It is not a de Polignac number, because 402034130400121 - 2²¹ = 402034128302969 is a prime.

It is not a weakly prime, because it can be changed into another prime (402034130400151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201017065200060 + 201017065200061.

It is an arithmetic number, because the mean of its divisors is an integer number (201017065200061).

Almost surely, 2^{402034130400121} is an apocalyptic number.

It is an amenable number.

402034130400121 is a deficient number, since it is larger than the sum of its proper divisors (1).

402034130400121 is an equidigital number, since it uses as much as digits as its factorization.

402034130400121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 402034130400121 its reverse (121004031430204), we get a palindrome (523038161830325).

The spelling of 402034130400121 in words is "four hundred two trillion, thirty-four billion, one hundred thirty million, four hundred thousand, one hundred twenty-one".