126997321353 has 8 divisors (see below), whose sum is σ = 193519727808. Its totient is φ = 72569897904.

The previous prime is 126997321343. The next prime is 126997321379. The reversal of 126997321353 is 353123799621.

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

It is not a de Polignac number, because 126997321353 - 2⁸ = 126997321097 is a prime.

It is a super-2 number, since 2×126997321353² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126997321296 and 126997321305.

It is not an unprimeable number, because it can be changed into a prime (126997321343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023745726 + ... + 3023745767.

It is an arithmetic number, because the mean of its divisors is an integer number (24189965976).

Almost surely, 2^126997321353 is an apocalyptic number.

It is an amenable number.

126997321353 is a deficient number, since it is larger than the sum of its proper divisors (66522406455).

126997321353 is an equidigital number, since it uses as much as digits as its factorization.

126997321353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6047491503.

The product of its digits is 1837080, while the sum is 51.

The spelling of 126997321353 in words is "one hundred twenty-six billion, nine hundred ninety-seven million, three hundred twenty-one thousand, three hundred fifty-three".