124987 has 2 divisors, whose sum is σ = 124988. Its totient is φ = 124986.

The previous prime is 124981. The next prime is 124991. The reversal of 124987 is 789421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124987 - 2³ = 124979 is a prime.

It is a d-powerful number, because it can be written as 1 + 2⁹ + 9⁴ + 4⁴ + 8 + 7⁶ .

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (124981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62493 + 62494.

It is an arithmetic number, because the mean of its divisors is an integer number (62494).

2¹²⁴⁹⁸⁷ is an apocalyptic number.

124987 is a deficient number, since it is larger than the sum of its proper divisors (1).

124987 is an equidigital number, since it uses as much as digits as its factorization.

124987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 124987 is about 353.5350053389. The cubic root of 124987 is about 49.9982666066.

It can be divided in two parts, 124 and 987, that added together give a palindrome (1111).

The spelling of 124987 in words is "one hundred twenty-four thousand, nine hundred eighty-seven".