302124134021 has 2 divisors, whose sum is σ = 302124134022. Its totient is φ = 302124134020.

The previous prime is 302124133973. The next prime is 302124134029. The reversal of 302124134021 is 120431421203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297488430625 + 4635703396 = 545425^2 + 68086^2 .

It is an emirp because it is prime and its reverse (120431421203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302124134021 - 2¹⁴ = 302124117637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302124134029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151062067010 + 151062067011.

It is an arithmetic number, because the mean of its divisors is an integer number (151062067011).

Almost surely, 2^302124134021 is an apocalyptic number.

It is an amenable number.

302124134021 is a deficient number, since it is larger than the sum of its proper divisors (1).

302124134021 is an equidigital number, since it uses as much as digits as its factorization.

302124134021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 302124134021 its reverse (120431421203), we get a palindrome (422555555224).

The spelling of 302124134021 in words is "three hundred two billion, one hundred twenty-four million, one hundred thirty-four thousand, twenty-one".