102662047 has 2 divisors, whose sum is σ = 102662048. Its totient is φ = 102662046.

The previous prime is 102662029. The next prime is 102662071. The reversal of 102662047 is 740266201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102662047 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102662347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51331023 + 51331024.

It is an arithmetic number, because the mean of its divisors is an integer number (51331024).

Almost surely, 2^102662047 is an apocalyptic number.

102662047 is a deficient number, since it is larger than the sum of its proper divisors (1).

102662047 is an equidigital number, since it uses as much as digits as its factorization.

102662047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 102662047 is about 10132.2281360025. The cubic root of 102662047 is about 468.2415763412.

The spelling of 102662047 in words is "one hundred two million, six hundred sixty-two thousand, forty-seven".