124886249 has 2 divisors, whose sum is σ = 124886250. Its totient is φ = 124886248.

The previous prime is 124886243. The next prime is 124886273. The reversal of 124886249 is 942688421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93470224 + 31416025 = 9668^2 + 5605^2 .

It is an emirp because it is prime and its reverse (942688421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124886249 - 2²⁴ = 108109033 is a prime.

It is not a weakly prime, because it can be changed into another prime (124886243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62443124 + 62443125.

It is an arithmetic number, because the mean of its divisors is an integer number (62443125).

Almost surely, 2^124886249 is an apocalyptic number.

It is an amenable number.

124886249 is a deficient number, since it is larger than the sum of its proper divisors (1).

124886249 is an equidigital number, since it uses as much as digits as its factorization.

124886249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 124886249 is about 11175.2516302766. The cubic root of 124886249 is about 499.8482859704.

The spelling of 124886249 in words is "one hundred twenty-four million, eight hundred eighty-six thousand, two hundred forty-nine".