124005137 has 2 divisors, whose sum is σ = 124005138. Its totient is φ = 124005136.

The previous prime is 124005127. The next prime is 124005143. The reversal of 124005137 is 731500421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94400656 + 29604481 = 9716^2 + 5441^2 .

It is a cyclic number.

It is not a de Polignac number, because 124005137 - 2¹⁰ = 124004113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124005127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62002568 + 62002569.

It is an arithmetic number, because the mean of its divisors is an integer number (62002569).

Almost surely, 2^124005137 is an apocalyptic number.

It is an amenable number.

124005137 is a deficient number, since it is larger than the sum of its proper divisors (1).

124005137 is an equidigital number, since it uses as much as digits as its factorization.

124005137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 124005137 is about 11135.7593813803. The cubic root of 124005137 is about 498.6699812372.

Adding to 124005137 its reverse (731500421), we get a palindrome (855505558).

The spelling of 124005137 in words is "one hundred twenty-four million, five thousand, one hundred thirty-seven".