100102447 has 2 divisors, whose sum is σ = 100102448. Its totient is φ = 100102446.

The previous prime is 100102423. The next prime is 100102481. The reversal of 100102447 is 744201001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100102447 - 2¹⁵ = 100069679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100102487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051223 + 50051224.

It is an arithmetic number, because the mean of its divisors is an integer number (50051224).

Almost surely, 2^100102447 is an apocalyptic number.

100102447 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102447 is an equidigital number, since it uses as much as digits as its factorization.

100102447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 100102447 is about 10005.1210387481. The cubic root of 100102447 is about 464.3173348811.

Adding to 100102447 its reverse (744201001), we get a palindrome (844303448).

The spelling of 100102447 in words is "one hundred million, one hundred two thousand, four hundred forty-seven".