126017298943 has 2 divisors, whose sum is σ = 126017298944. Its totient is φ = 126017298942.

The previous prime is 126017298881. The next prime is 126017298949. The reversal of 126017298943 is 349892710621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126017298943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126017298949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63008649471 + 63008649472.

It is an arithmetic number, because the mean of its divisors is an integer number (63008649472).

Almost surely, 2^126017298943 is an apocalyptic number.

126017298943 is a deficient number, since it is larger than the sum of its proper divisors (1).

126017298943 is an equidigital number, since it uses as much as digits as its factorization.

126017298943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 126017298943 in words is "one hundred twenty-six billion, seventeen million, two hundred ninety-eight thousand, nine hundred forty-three".