124123147 has 2 divisors, whose sum is σ = 124123148. Its totient is φ = 124123146.

The previous prime is 124123133. The next prime is 124123159. The reversal of 124123147 is 741321421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124123147 is a prime.

It is not a weakly prime, because it can be changed into another prime (124123177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62061573 + 62061574.

It is an arithmetic number, because the mean of its divisors is an integer number (62061574).

Almost surely, 2^124123147 is an apocalyptic number.

124123147 is a deficient number, since it is larger than the sum of its proper divisors (1).

124123147 is an equidigital number, since it uses as much as digits as its factorization.

124123147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 124123147 is about 11141.0568170170. The cubic root of 124123147 is about 498.8281181986.

Adding to 124123147 its reverse (741321421), we get a palindrome (865444568).

The spelling of 124123147 in words is "one hundred twenty-four million, one hundred twenty-three thousand, one hundred forty-seven".