123002147 has 2 divisors, whose sum is σ = 123002148. Its totient is φ = 123002146.

The previous prime is 123002129. The next prime is 123002179. The reversal of 123002147 is 741200321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123002147 - 2¹⁴ = 122985763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123002107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61501073 + 61501074.

It is an arithmetic number, because the mean of its divisors is an integer number (61501074).

Almost surely, 2^123002147 is an apocalyptic number.

123002147 is a deficient number, since it is larger than the sum of its proper divisors (1).

123002147 is an equidigital number, since it uses as much as digits as its factorization.

123002147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 123002147 is about 11090.6333002223. The cubic root of 123002147 is about 497.3218769248.

Adding to 123002147 its reverse (741200321), we get a palindrome (864202468).

The spelling of 123002147 in words is "one hundred twenty-three million, two thousand, one hundred forty-seven".