124509943 has 2 divisors, whose sum is σ = 124509944. Its totient is φ = 124509942.

The previous prime is 124509941. The next prime is 124509977. The reversal of 124509943 is 349905421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124509943 - 2¹ = 124509941 is a prime.

Together with 124509941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124509941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62254971 + 62254972.

It is an arithmetic number, because the mean of its divisors is an integer number (62254972).

Almost surely, 2^124509943 is an apocalyptic number.

124509943 is a deficient number, since it is larger than the sum of its proper divisors (1).

124509943 is an equidigital number, since it uses as much as digits as its factorization.

124509943 is an odious number, because the sum of its binary digits is odd.

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

The square root of 124509943 is about 11158.4023497990. The cubic root of 124509943 is about 499.3457349145.

The spelling of 124509943 in words is "one hundred twenty-four million, five hundred nine thousand, nine hundred forty-three".