124347894427 has 2 divisors, whose sum is σ = 124347894428. Its totient is φ = 124347894426.

The previous prime is 124347894401. The next prime is 124347894443. The reversal of 124347894427 is 724498743421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124347894427 is a prime.

It is not a weakly prime, because it can be changed into another prime (124347894467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62173947213 + 62173947214.

It is an arithmetic number, because the mean of its divisors is an integer number (62173947214).

Almost surely, 2^124347894427 is an apocalyptic number.

124347894427 is a deficient number, since it is larger than the sum of its proper divisors (1).

124347894427 is an equidigital number, since it uses as much as digits as its factorization.

124347894427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 55.

The spelling of 124347894427 in words is "one hundred twenty-four billion, three hundred forty-seven million, eight hundred ninety-four thousand, four hundred twenty-seven".