126181182733 has 2 divisors, whose sum is σ = 126181182734. Its totient is φ = 126181182732.

The previous prime is 126181182731. The next prime is 126181182779. The reversal of 126181182733 is 337281181621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104653544004 + 21527638729 = 323502^2 + 146723^2 .

It is a cyclic number.

It is not a de Polignac number, because 126181182733 - 2¹ = 126181182731 is a prime.

Together with 126181182731, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 126181182733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126181182731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63090591366 + 63090591367.

It is an arithmetic number, because the mean of its divisors is an integer number (63090591367).

Almost surely, 2^126181182733 is an apocalyptic number.

It is an amenable number.

126181182733 is a deficient number, since it is larger than the sum of its proper divisors (1).

126181182733 is an equidigital number, since it uses as much as digits as its factorization.

126181182733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The spelling of 126181182733 in words is "one hundred twenty-six billion, one hundred eighty-one million, one hundred eighty-two thousand, seven hundred thirty-three".