124659121 has 2 divisors, whose sum is σ = 124659122. Its totient is φ = 124659120.

The previous prime is 124659109. The next prime is 124659137. The reversal of 124659121 is 121956421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122213025 + 2446096 = 11055^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 124659121 - 2⁹ = 124658609 is a prime.

It is a Chen prime.

It is equal to p_7091824 and since 124659121 and 7091824 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (124659151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62329560 + 62329561.

It is an arithmetic number, because the mean of its divisors is an integer number (62329561).

Almost surely, 2^124659121 is an apocalyptic number.

It is an amenable number.

124659121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124659121 is an equidigital number, since it uses as much as digits as its factorization.

124659121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 124659121 is about 11165.0849078724. The cubic root of 124659121 is about 499.5450808894.

The spelling of 124659121 in words is "one hundred twenty-four million, six hundred fifty-nine thousand, one hundred twenty-one".