126348843621 has 192 divisors, whose sum is σ = 235478589696. Its totient is φ = 59222016000.

The previous prime is 126348843617. The next prime is 126348843667.

126348843621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 126348843621 - 2² = 126348843617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126348841621) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 210230721 + ... + 210231321.

It is an arithmetic number, because the mean of its divisors is an integer number (1226450988).

Almost surely, 2^126348843621 is an apocalyptic number.

126348843621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126348843621 is a deficient number, since it is larger than the sum of its proper divisors (109129746075).

126348843621 is a wasteful number, since it uses less digits than its factorization.

126348843621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 845 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

It can be divided in two parts, 126348 and 843621, that added together give a palindrome (969969).

The spelling of 126348843621 in words is "one hundred twenty-six billion, three hundred forty-eight million, eight hundred forty-three thousand, six hundred twenty-one".