102871187225 has 6 divisors (see below), whose sum is σ = 127560272190. Its totient is φ = 82296949760.

The previous prime is 102871187207. The next prime is 102871187239. The reversal of 102871187225 is 522781178201.

It can be written as a sum of positive squares in 3 ways, for example, as 27602167321 + 75269019904 = 166139^2 + 274352^2 .

It is not a de Polignac number, because 102871187225 - 2¹⁴ = 102871170841 is a prime.

It is a super-2 number, since 2×102871187225² (a number of 23 digits) contains 22 as substring.

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, 2057423720 + ... + 2057423769.

It is an arithmetic number, because the mean of its divisors is an integer number (21260045365).

Almost surely, 2^102871187225 is an apocalyptic number.

It is an amenable number.

102871187225 is a deficient number, since it is larger than the sum of its proper divisors (24689084965).

102871187225 is an equidigital number, since it uses as much as digits as its factorization.

102871187225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114847499 (or 4114847494 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 44.

The spelling of 102871187225 in words is "one hundred two billion, eight hundred seventy-one million, one hundred eighty-seven thousand, two hundred twenty-five".