124823947 has 2 divisors, whose sum is σ = 124823948. Its totient is φ = 124823946.

The previous prime is 124823929. The next prime is 124823987. The reversal of 124823947 is 749328421.

It is an a-pointer prime, because the next prime (124823987) can be obtained adding 124823947 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124823947 - 2⁷ = 124823819 is a prime.

It is not a weakly prime, because it can be changed into another prime (124823987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62411973 + 62411974.

It is an arithmetic number, because the mean of its divisors is an integer number (62411974).

Almost surely, 2^124823947 is an apocalyptic number.

124823947 is a deficient number, since it is larger than the sum of its proper divisors (1).

124823947 is an equidigital number, since it uses as much as digits as its factorization.

124823947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 124823947 is about 11172.4637837856. The cubic root of 124823947 is about 499.7651523771.

The spelling of 124823947 in words is "one hundred twenty-four million, eight hundred twenty-three thousand, nine hundred forty-seven".