102424244405225 has 6 divisors (see below), whose sum is σ = 127006063062510. Its totient is φ = 81939395524160.

The previous prime is 102424244405179. The next prime is 102424244405243. The reversal of 102424244405225 is 522504442424201.

It can be written as a sum of positive squares in 3 ways, for example, as 1057425569344 + 101366818835881 = 1028312^2 + 10068109^2 .

It is not a de Polignac number, because 102424244405225 - 2¹⁰ = 102424244404201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2048484888080 + ... + 2048484888129.

It is an arithmetic number, because the mean of its divisors is an integer number (21167677177085).

Almost surely, 2^{102424244405225} is an apocalyptic number.

It is an amenable number.

102424244405225 is a deficient number, since it is larger than the sum of its proper divisors (24581818657285).

102424244405225 is an equidigital number, since it uses as much as digits as its factorization.

102424244405225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096969776219 (or 4096969776214 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 41.

Adding to 102424244405225 its reverse (522504442424201), we get a palindrome (624928686829426).

The spelling of 102424244405225 in words is "one hundred two trillion, four hundred twenty-four billion, two hundred forty-four million, four hundred five thousand, two hundred twenty-five".