124838279 has 2 divisors, whose sum is σ = 124838280. Its totient is φ = 124838278.

The previous prime is 124838261. The next prime is 124838297. The reversal of 124838279 is 972838421.

Together with next prime (124838297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (124838261) and next prime (124838297).

It is an emirp because it is prime and its reverse (972838421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124838279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124838239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62419139 + 62419140.

It is an arithmetic number, because the mean of its divisors is an integer number (62419140).

Almost surely, 2^124838279 is an apocalyptic number.

124838279 is a deficient number, since it is larger than the sum of its proper divisors (1).

124838279 is an equidigital number, since it uses as much as digits as its factorization.

124838279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 124838279 is about 11173.1051637403. The cubic root of 124838279 is about 499.7842789422.

The spelling of 124838279 in words is "one hundred twenty-four million, eight hundred thirty-eight thousand, two hundred seventy-nine".