124238887 has 2 divisors, whose sum is σ = 124238888. Its totient is φ = 124238886.

The previous prime is 124238857. The next prime is 124238921. The reversal of 124238887 is 788832421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124238887 - 2⁷ = 124238759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124238857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62119443 + 62119444.

It is an arithmetic number, because the mean of its divisors is an integer number (62119444).

Almost surely, 2^124238887 is an apocalyptic number.

124238887 is a deficient number, since it is larger than the sum of its proper divisors (1).

124238887 is an equidigital number, since it uses as much as digits as its factorization.

124238887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 43.

The square root of 124238887 is about 11146.2499074801. The cubic root of 124238887 is about 498.9831159624.

The spelling of 124238887 in words is "one hundred twenty-four million, two hundred thirty-eight thousand, eight hundred eighty-seven".