124261439 has 2 divisors, whose sum is σ = 124261440. Its totient is φ = 124261438.

The previous prime is 124261421. The next prime is 124261457. The reversal of 124261439 is 934162421.

It is a balanced prime because it is at equal distance from previous prime (124261421) and next prime (124261457).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124261439 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 (124261409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62130719 + 62130720.

It is an arithmetic number, because the mean of its divisors is an integer number (62130720).

Almost surely, 2^124261439 is an apocalyptic number.

124261439 is a deficient number, since it is larger than the sum of its proper divisors (1).

124261439 is an equidigital number, since it uses as much as digits as its factorization.

124261439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 124261439 is about 11147.2615022704. The cubic root of 124261439 is about 499.0133061513.

The spelling of 124261439 in words is "one hundred twenty-four million, two hundred sixty-one thousand, four hundred thirty-nine".