102402102133 has 2 divisors, whose sum is σ = 102402102134. Its totient is φ = 102402102132.

The previous prime is 102402102079. The next prime is 102402102149. The reversal of 102402102133 is 331201204201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74170709649 + 28231392484 = 272343^2 + 168022^2 .

It is a cyclic number.

It is not a de Polignac number, because 102402102133 - 2²¹ = 102400004981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102402102133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102402102193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51201051066 + 51201051067.

It is an arithmetic number, because the mean of its divisors is an integer number (51201051067).

Almost surely, 2^102402102133 is an apocalyptic number.

It is an amenable number.

102402102133 is a deficient number, since it is larger than the sum of its proper divisors (1).

102402102133 is an equidigital number, since it uses as much as digits as its factorization.

102402102133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102402102133 its reverse (331201204201), we get a palindrome (433603306334).

The spelling of 102402102133 in words is "one hundred two billion, four hundred two million, one hundred two thousand, one hundred thirty-three".