124688587 has 2 divisors, whose sum is σ = 124688588. Its totient is φ = 124688586.

The previous prime is 124688581. The next prime is 124688609. The reversal of 124688587 is 785886421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124688587 - 2³ = 124688579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124688587.

It is not a weakly prime, because it can be changed into another prime (124688581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62344293 + 62344294.

It is an arithmetic number, because the mean of its divisors is an integer number (62344294).

Almost surely, 2^124688587 is an apocalyptic number.

124688587 is a deficient number, since it is larger than the sum of its proper divisors (1).

124688587 is an equidigital number, since it uses as much as digits as its factorization.

124688587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 860160, while the sum is 49.

The square root of 124688587 is about 11166.4043899547. The cubic root of 124688587 is about 499.5844373778.

The spelling of 124688587 in words is "one hundred twenty-four million, six hundred eighty-eight thousand, five hundred eighty-seven".