102156227 has 2 divisors, whose sum is σ = 102156228. Its totient is φ = 102156226.

The previous prime is 102156221. The next prime is 102156233. The reversal of 102156227 is 722651201.

It is a balanced prime because it is at equal distance from previous prime (102156221) and next prime (102156233).

It is a cyclic number.

It is not a de Polignac number, because 102156227 - 2⁴ = 102156211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102156196 and 102156205.

It is not a weakly prime, because it can be changed into another prime (102156221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51078113 + 51078114.

It is an arithmetic number, because the mean of its divisors is an integer number (51078114).

Almost surely, 2^102156227 is an apocalyptic number.

102156227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102156227 is an equidigital number, since it uses as much as digits as its factorization.

102156227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 102156227 is about 10107.2363680682. The cubic root of 102156227 is about 467.4712949098.

The spelling of 102156227 in words is "one hundred two million, one hundred fifty-six thousand, two hundred twenty-seven".