126141523187 has 2 divisors, whose sum is σ = 126141523188. Its totient is φ = 126141523186.

The previous prime is 126141523177. The next prime is 126141523201. The reversal of 126141523187 is 781325141621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126141523187 - 2⁴ = 126141523171 is a prime.

It is not a weakly prime, because it can be changed into another prime (126141523147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63070761593 + 63070761594.

It is an arithmetic number, because the mean of its divisors is an integer number (63070761594).

Almost surely, 2^126141523187 is an apocalyptic number.

126141523187 is a deficient number, since it is larger than the sum of its proper divisors (1).

126141523187 is an equidigital number, since it uses as much as digits as its factorization.

126141523187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The spelling of 126141523187 in words is "one hundred twenty-six billion, one hundred forty-one million, five hundred twenty-three thousand, one hundred eighty-seven".