126348442505 has 8 divisors (see below), whose sum is σ = 156846342600. Its totient is φ = 97593279616.

The previous prime is 126348442501. The next prime is 126348442553. The reversal of 126348442505 is 505244843621.

It can be written as a sum of positive squares in 4 ways, for example, as 12817183369 + 113531259136 = 113213^2 + 336944^2 .

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

It is not a de Polignac number, because 126348442505 - 2² = 126348442501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126348442501) 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, 435684140 + ... + 435684429.

It is an arithmetic number, because the mean of its divisors is an integer number (19605792825).

Almost surely, 2^126348442505 is an apocalyptic number.

It is an amenable number.

126348442505 is a deficient number, since it is larger than the sum of its proper divisors (30497900095).

126348442505 is an equidigital number, since it uses as much as digits as its factorization.

126348442505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871368603.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 126348442505 in words is "one hundred twenty-six billion, three hundred forty-eight million, four hundred forty-two thousand, five hundred five".