126846078429601 has 8 divisors (see below), whose sum is σ = 131220908159400. Its totient is φ = 122471303834880.

The previous prime is 126846078429599. The next prime is 126846078429611. The reversal of 126846078429601 is 106924870648621.

It can be written as a sum of positive squares in 4 ways, for example, as 5694671095201 + 121151407334400 = 2386351^2 + 11006880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126846078429601 - 2¹ = 126846078429599 is a prime.

It is a super-2 number, since 2×126846078429601² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126846078429611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9075880 + ... + 18332041.

It is an arithmetic number, because the mean of its divisors is an integer number (16402613519925).

Almost surely, 2^{126846078429601} is an apocalyptic number.

It is an amenable number.

126846078429601 is a deficient number, since it is larger than the sum of its proper divisors (4374829729799).

126846078429601 is a wasteful number, since it uses less digits than its factorization.

126846078429601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27567539.

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 126846078429601 in words is "one hundred twenty-six trillion, eight hundred forty-six billion, seventy-eight million, four hundred twenty-nine thousand, six hundred one".