124305997 has 2 divisors, whose sum is σ = 124305998. Its totient is φ = 124305996.

The previous prime is 124305967. The next prime is 124306027. The reversal of 124305997 is 799503421.

It is a balanced prime because it is at equal distance from previous prime (124305967) and next prime (124306027).

It can be written as a sum of positive squares in only one way, i.e., 120692196 + 3613801 = 10986^2 + 1901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124305997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124305917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62152998 + 62152999.

It is an arithmetic number, because the mean of its divisors is an integer number (62152999).

Almost surely, 2^124305997 is an apocalyptic number.

It is an amenable number.

124305997 is a deficient number, since it is larger than the sum of its proper divisors (1).

124305997 is an equidigital number, since it uses as much as digits as its factorization.

124305997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 124305997 is about 11149.2599305963. The cubic root of 124305997 is about 499.0729448665.

The spelling of 124305997 in words is "one hundred twenty-four million, three hundred five thousand, nine hundred ninety-seven".