102540227 has 2 divisors, whose sum is σ = 102540228. Its totient is φ = 102540226.

The previous prime is 102540211. The next prime is 102540241. The reversal of 102540227 is 722045201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102540227 - 2⁴ = 102540211 is a prime.

It is not a weakly prime, because it can be changed into another prime (102540247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51270113 + 51270114.

It is an arithmetic number, because the mean of its divisors is an integer number (51270114).

Almost surely, 2^102540227 is an apocalyptic number.

102540227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102540227 is an equidigital number, since it uses as much as digits as its factorization.

102540227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 102540227 is about 10126.2148406994. The cubic root of 102540227 is about 468.0562960379.

Adding to 102540227 its reverse (722045201), we get a palindrome (824585428).

The spelling of 102540227 in words is "one hundred two million, five hundred forty thousand, two hundred twenty-seven".