102870825137 has 2 divisors, whose sum is σ = 102870825138. Its totient is φ = 102870825136.

The previous prime is 102870825047. The next prime is 102870825143. The reversal of 102870825137 is 731528078201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58901348416 + 43969476721 = 242696^2 + 209689^2 .

It is a cyclic number.

It is not a de Polignac number, because 102870825137 - 2²⁰ = 102869776561 is a prime.

It is not a weakly prime, because it can be changed into another prime (102870825437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51435412568 + 51435412569.

It is an arithmetic number, because the mean of its divisors is an integer number (51435412569).

Almost surely, 2^102870825137 is an apocalyptic number.

It is an amenable number.

102870825137 is a deficient number, since it is larger than the sum of its proper divisors (1).

102870825137 is an equidigital number, since it uses as much as digits as its factorization.

102870825137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 102870825137 in words is "one hundred two billion, eight hundred seventy million, eight hundred twenty-five thousand, one hundred thirty-seven".