126061543 has 2 divisors, whose sum is σ = 126061544. Its totient is φ = 126061542.

The previous prime is 126061519. The next prime is 126061547. The reversal of 126061543 is 345160621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126061543 - 2⁹ = 126061031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126061547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63030771 + 63030772.

It is an arithmetic number, because the mean of its divisors is an integer number (63030772).

Almost surely, 2^126061543 is an apocalyptic number.

126061543 is a deficient number, since it is larger than the sum of its proper divisors (1).

126061543 is an equidigital number, since it uses as much as digits as its factorization.

126061543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 126061543 is about 11227.7131687624. The cubic root of 126061543 is about 501.4114028021.

The spelling of 126061543 in words is "one hundred twenty-six million, sixty-one thousand, five hundred forty-three".