407252130121 has 2 divisors, whose sum is σ = 407252130122. Its totient is φ = 407252130120.

The previous prime is 407252130113. The next prime is 407252130137. The reversal of 407252130121 is 121031252704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323982948025 + 83269182096 = 569195^2 + 288564^2 .

It is a cyclic number.

It is not a de Polignac number, because 407252130121 - 2³ = 407252130113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 407252130121.

It is not a weakly prime, because it can be changed into another prime (407252130151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203626065060 + 203626065061.

It is an arithmetic number, because the mean of its divisors is an integer number (203626065061).

Almost surely, 2^407252130121 is an apocalyptic number.

It is an amenable number.

407252130121 is a deficient number, since it is larger than the sum of its proper divisors (1).

407252130121 is an equidigital number, since it uses as much as digits as its factorization.

407252130121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 407252130121 its reverse (121031252704), we get a palindrome (528283382825).

The spelling of 407252130121 in words is "four hundred seven billion, two hundred fifty-two million, one hundred thirty thousand, one hundred twenty-one".