124555164197 has 2 divisors, whose sum is σ = 124555164198. Its totient is φ = 124555164196.

The previous prime is 124555164191. The next prime is 124555164199. The reversal of 124555164197 is 791461555421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115800006436 + 8755157761 = 340294^2 + 93569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124555164197 is a prime.

Together with 124555164199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124555164191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62277582098 + 62277582099.

It is an arithmetic number, because the mean of its divisors is an integer number (62277582099).

Almost surely, 2^124555164197 is an apocalyptic number.

It is an amenable number.

124555164197 is a deficient number, since it is larger than the sum of its proper divisors (1).

124555164197 is an equidigital number, since it uses as much as digits as its factorization.

124555164197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 50.

The spelling of 124555164197 in words is "one hundred twenty-four billion, five hundred fifty-five million, one hundred sixty-four thousand, one hundred ninety-seven".