124687697 has 2 divisors, whose sum is σ = 124687698. Its totient is φ = 124687696.

The previous prime is 124687649. The next prime is 124687699. The reversal of 124687697 is 796786421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124456336 + 231361 = 11156^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 124687697 - 2⁸ = 124687441 is a prime.

Together with 124687699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124687699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62343848 + 62343849.

It is an arithmetic number, because the mean of its divisors is an integer number (62343849).

Almost surely, 2^124687697 is an apocalyptic number.

It is an amenable number.

124687697 is a deficient number, since it is larger than the sum of its proper divisors (1).

124687697 is an equidigital number, since it uses as much as digits as its factorization.

124687697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 124687697 is about 11166.3645382013. The cubic root of 124687697 is about 499.5832487333.

The spelling of 124687697 in words is "one hundred twenty-four million, six hundred eighty-seven thousand, six hundred ninety-seven".