126399184459 has 2 divisors, whose sum is σ = 126399184460. Its totient is φ = 126399184458.

The previous prime is 126399184451. The next prime is 126399184543. The reversal of 126399184459 is 954481993621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126399184459 - 2³ = 126399184451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126399184397 and 126399184406.

It is not a weakly prime, because it can be changed into another prime (126399184451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63199592229 + 63199592230.

It is an arithmetic number, because the mean of its divisors is an integer number (63199592230).

Almost surely, 2^126399184459 is an apocalyptic number.

126399184459 is a deficient number, since it is larger than the sum of its proper divisors (1).

126399184459 is an equidigital number, since it uses as much as digits as its factorization.

126399184459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 61.

The spelling of 126399184459 in words is "one hundred twenty-six billion, three hundred ninety-nine million, one hundred eighty-four thousand, four hundred fifty-nine".