126143815741 has 2 divisors, whose sum is σ = 126143815742. Its totient is φ = 126143815740.

The previous prime is 126143815727. The next prime is 126143815789. The reversal of 126143815741 is 147518341621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87471020025 + 38672795716 = 295755^2 + 196654^2 .

It is a cyclic number.

It is not a de Polignac number, because 126143815741 - 2⁵ = 126143815709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126143815541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63071907870 + 63071907871.

It is an arithmetic number, because the mean of its divisors is an integer number (63071907871).

Almost surely, 2^126143815741 is an apocalyptic number.

It is an amenable number.

126143815741 is a deficient number, since it is larger than the sum of its proper divisors (1).

126143815741 is an equidigital number, since it uses as much as digits as its factorization.

126143815741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The spelling of 126143815741 in words is "one hundred twenty-six billion, one hundred forty-three million, eight hundred fifteen thousand, seven hundred forty-one".