10121147 has 2 divisors, whose sum is σ = 10121148. Its totient is φ = 10121146.

The previous prime is 10121143. The next prime is 10121161. The reversal of 10121147 is 74112101.

10121147 is digitally balanced in base 3, 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 not a de Polignac number, because 10121147 - 2² = 10121143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10121143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060573 + 5060574.

It is an arithmetic number, because the mean of its divisors is an integer number (5060574).

Almost surely, 2^10121147 is an apocalyptic number.

10121147 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121147 is an equidigital number, since it uses as much as digits as its factorization.

10121147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 10121147 is about 3181.3750171899. The cubic root of 10121147 is about 216.3099901504.

Adding to 10121147 its reverse (74112101), we get a palindrome (84233248).

The spelling of 10121147 in words is "ten million, one hundred twenty-one thousand, one hundred forty-seven".