102445127 has 2 divisors, whose sum is σ = 102445128. Its totient is φ = 102445126.

The previous prime is 102445121. The next prime is 102445129. The reversal of 102445127 is 721544201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102445127 is a prime.

It is a super-2 number, since 2×102445127² = 20990008092092258, which contains 22 as substring.

Together with 102445129, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102445096 and 102445105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102445121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51222563 + 51222564.

It is an arithmetic number, because the mean of its divisors is an integer number (51222564).

Almost surely, 2^102445127 is an apocalyptic number.

102445127 is a deficient number, since it is larger than the sum of its proper divisors (1).

102445127 is an equidigital number, since it uses as much as digits as its factorization.

102445127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 102445127 is about 10121.5180185583. The cubic root of 102445127 is about 467.9115530983.

Adding to 102445127 its reverse (721544201), we get a palindrome (823989328).

The spelling of 102445127 in words is "one hundred two million, four hundred forty-five thousand, one hundred twenty-seven".