124661539 has 2 divisors, whose sum is σ = 124661540. Its totient is φ = 124661538.

The previous prime is 124661533. The next prime is 124661557. The reversal of 124661539 is 935166421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124661539 - 2⁹ = 124661027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124661498 and 124661507.

It is not a weakly prime, because it can be changed into another prime (124661533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62330769 + 62330770.

It is an arithmetic number, because the mean of its divisors is an integer number (62330770).

Almost surely, 2^124661539 is an apocalyptic number.

124661539 is a deficient number, since it is larger than the sum of its proper divisors (1).

124661539 is an equidigital number, since it uses as much as digits as its factorization.

124661539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 124661539 is about 11165.1931913425. The cubic root of 124661539 is about 499.5483107432.

The spelling of 124661539 in words is "one hundred twenty-four million, six hundred sixty-one thousand, five hundred thirty-nine".