124605889 has 2 divisors, whose sum is σ = 124605890. Its totient is φ = 124605888.

The previous prime is 124605853. The next prime is 124605893. The reversal of 124605889 is 988506421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104714289 + 19891600 = 10233^2 + 4460^2 .

It is a cyclic number.

It is not a de Polignac number, because 124605889 - 2¹⁷ = 124474817 is a prime.

It is not a weakly prime, because it can be changed into another prime (124605389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62302944 + 62302945.

It is an arithmetic number, because the mean of its divisors is an integer number (62302945).

Almost surely, 2^124605889 is an apocalyptic number.

It is an amenable number.

124605889 is a deficient number, since it is larger than the sum of its proper divisors (1).

124605889 is an equidigital number, since it uses as much as digits as its factorization.

124605889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 124605889 is about 11162.7007932668. The cubic root of 124605889 is about 499.4739654360.

The spelling of 124605889 in words is "one hundred twenty-four million, six hundred five thousand, eight hundred eighty-nine".