8121487301 has 2 divisors, whose sum is σ = 8121487302. Its totient is φ = 8121487300.

The previous prime is 8121487261. The next prime is 8121487303. The reversal of 8121487301 is 1037841218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5071576225 + 3049911076 = 71215^2 + 55226^2 .

It is a cyclic number.

It is not a de Polignac number, because 8121487301 - 2⁶ = 8121487237 is a prime.

Together with 8121487303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8121487303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060743650 + 4060743651.

It is an arithmetic number, because the mean of its divisors is an integer number (4060743651).

Almost surely, 2^8121487301 is an apocalyptic number.

It is an amenable number.

8121487301 is a deficient number, since it is larger than the sum of its proper divisors (1).

8121487301 is an equidigital number, since it uses as much as digits as its factorization.

8121487301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 8121487301 is about 90119.2948319060. The cubic root of 8121487301 is about 2010.0731226750.

The spelling of 8121487301 in words is "eight billion, one hundred twenty-one million, four hundred eighty-seven thousand, three hundred one".