126437716547 has 2 divisors, whose sum is σ = 126437716548. Its totient is φ = 126437716546.

The previous prime is 126437716541. The next prime is 126437716553. The reversal of 126437716547 is 745617734621.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (126437716541) and next prime (126437716553).

It is a cyclic number.

It is not a de Polignac number, because 126437716547 - 2²⁶ = 126370607683 is a prime.

It is not a weakly prime, because it can be changed into another prime (126437716541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63218858273 + 63218858274.

It is an arithmetic number, because the mean of its divisors is an integer number (63218858274).

Almost surely, 2^126437716547 is an apocalyptic number.

126437716547 is a deficient number, since it is larger than the sum of its proper divisors (1).

126437716547 is an equidigital number, since it uses as much as digits as its factorization.

126437716547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 53.

The spelling of 126437716547 in words is "one hundred twenty-six billion, four hundred thirty-seven million, seven hundred sixteen thousand, five hundred forty-seven".