102247807 has 2 divisors, whose sum is σ = 102247808. Its totient is φ = 102247806.

The previous prime is 102247801. The next prime is 102247841. The reversal of 102247807 is 708742201.

It is a weak prime.

It is an emirp because it is prime and its reverse (708742201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102247807 - 2¹⁵ = 102215039 is a prime.

It is a super-2 number, since 2×102247807² = 20909228072618498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102247801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51123903 + 51123904.

It is an arithmetic number, because the mean of its divisors is an integer number (51123904).

Almost surely, 2^102247807 is an apocalyptic number.

102247807 is a deficient number, since it is larger than the sum of its proper divisors (1).

102247807 is an equidigital number, since it uses as much as digits as its factorization.

102247807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 102247807 is about 10111.7657706258. The cubic root of 102247807 is about 467.6109445291.

The spelling of 102247807 in words is "one hundred two million, two hundred forty-seven thousand, eight hundred seven".