124503961 has 2 divisors, whose sum is σ = 124503962. Its totient is φ = 124503960.

The previous prime is 124503959. The next prime is 124503997. The reversal of 124503961 is 169305421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94692361 + 29811600 = 9731^2 + 5460^2 .

It is a cyclic number.

It is not a de Polignac number, because 124503961 - 2¹ = 124503959 is a prime.

Together with 124503959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (124503661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62251980 + 62251981.

It is an arithmetic number, because the mean of its divisors is an integer number (62251981).

Almost surely, 2^124503961 is an apocalyptic number.

It is an amenable number.

124503961 is a deficient number, since it is larger than the sum of its proper divisors (1).

124503961 is an equidigital number, since it uses as much as digits as its factorization.

124503961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 124503961 is about 11158.1342974531. The cubic root of 124503961 is about 499.3377378717.

The spelling of 124503961 in words is "one hundred twenty-four million, five hundred three thousand, nine hundred sixty-one".