10042147 has 2 divisors, whose sum is σ = 10042148. Its totient is φ = 10042146.

The previous prime is 10042141. The next prime is 10042157. The reversal of 10042147 is 74124001.

10042147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10042147 is a prime.

It is not a weakly prime, because it can be changed into another prime (10042141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021073 + 5021074.

It is an arithmetic number, because the mean of its divisors is an integer number (5021074).

Almost surely, 2^10042147 is an apocalyptic number.

10042147 is a deficient number, since it is larger than the sum of its proper divisors (1).

10042147 is an equidigital number, since it uses as much as digits as its factorization.

10042147 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 10042147 is about 3168.9346790365. The cubic root of 10042147 is about 215.7457212954.

Adding to 10042147 its reverse (74124001), we get a palindrome (84166148).

The spelling of 10042147 in words is "ten million, forty-two thousand, one hundred forty-seven".