102013187 has 2 divisors, whose sum is σ = 102013188. Its totient is φ = 102013186.

The previous prime is 102013159. The next prime is 102013201. The reversal of 102013187 is 781310201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102013187 - 2²² = 97818883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102013687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006593 + 51006594.

It is an arithmetic number, because the mean of its divisors is an integer number (51006594).

Almost surely, 2^102013187 is an apocalyptic number.

102013187 is a deficient number, since it is larger than the sum of its proper divisors (1).

102013187 is an equidigital number, since it uses as much as digits as its factorization.

102013187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 102013187 is about 10100.1577710450. The cubic root of 102013187 is about 467.2530072616.

Adding to 102013187 its reverse (781310201), we get a palindrome (883323388).

The spelling of 102013187 in words is "one hundred two million, thirteen thousand, one hundred eighty-seven".