124423545187 has 2 divisors, whose sum is σ = 124423545188. Its totient is φ = 124423545186.

The previous prime is 124423545163. The next prime is 124423545209. The reversal of 124423545187 is 781545324421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124423545187 is a prime.

It is not a weakly prime, because it can be changed into another prime (124423548187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62211772593 + 62211772594.

It is an arithmetic number, because the mean of its divisors is an integer number (62211772594).

Almost surely, 2^124423545187 is an apocalyptic number.

124423545187 is a deficient number, since it is larger than the sum of its proper divisors (1).

124423545187 is an equidigital number, since it uses as much as digits as its factorization.

124423545187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1075200, while the sum is 46.

The spelling of 124423545187 in words is "one hundred twenty-four billion, four hundred twenty-three million, five hundred forty-five thousand, one hundred eighty-seven".