124613987 has 2 divisors, whose sum is σ = 124613988. Its totient is φ = 124613986.

The previous prime is 124613963. The next prime is 124614001. The reversal of 124613987 is 789316421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124613987 - 2¹⁶ = 124548451 is a prime.

It is not a weakly prime, because it can be changed into another prime (124613947) 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, 62306993 + 62306994.

It is an arithmetic number, because the mean of its divisors is an integer number (62306994).

Almost surely, 2^124613987 is an apocalyptic number.

124613987 is a deficient number, since it is larger than the sum of its proper divisors (1).

124613987 is an equidigital number, since it uses as much as digits as its factorization.

124613987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 124613987 is about 11163.0635132118. The cubic root of 124613987 is about 499.4847852900.

The spelling of 124613987 in words is "one hundred twenty-four million, six hundred thirteen thousand, nine hundred eighty-seven".