102436427 has 2 divisors, whose sum is σ = 102436428. Its totient is φ = 102436426.

The previous prime is 102436423. The next prime is 102436459. The reversal of 102436427 is 724634201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102436427 - 2² = 102436423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102436427.

It is not a weakly prime, because it can be changed into another prime (102436423) 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, 51218213 + 51218214.

It is an arithmetic number, because the mean of its divisors is an integer number (51218214).

Almost surely, 2^102436427 is an apocalyptic number.

102436427 is a deficient number, since it is larger than the sum of its proper divisors (1).

102436427 is an equidigital number, since it uses as much as digits as its factorization.

102436427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 102436427 is about 10121.0882320035. The cubic root of 102436427 is about 467.8983071592.

The spelling of 102436427 in words is "one hundred two million, four hundred thirty-six thousand, four hundred twenty-seven".