100705147 has 2 divisors, whose sum is σ = 100705148. Its totient is φ = 100705146.

The previous prime is 100705123. The next prime is 100705159. The reversal of 100705147 is 741507001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100705147 - 2¹⁵ = 100672379 is a prime.

It is not a weakly prime, because it can be changed into another prime (100700147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50352573 + 50352574.

It is an arithmetic number, because the mean of its divisors is an integer number (50352574).

Almost surely, 2^100705147 is an apocalyptic number.

100705147 is a deficient number, since it is larger than the sum of its proper divisors (1).

100705147 is an equidigital number, since it uses as much as digits as its factorization.

100705147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 100705147 is about 10035.1954141412. The cubic root of 100705147 is about 465.2473297875.

The spelling of 100705147 in words is "one hundred million, seven hundred five thousand, one hundred forty-seven".