126332373617 has 4 divisors (see below), whose sum is σ = 126362944500. Its totient is φ = 126301802736.

The previous prime is 126332373599. The next prime is 126332373619. The reversal of 126332373617 is 716373233621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91617603856 + 34714769761 = 302684^2 + 186319^2 .

It is a cyclic number.

It is not a de Polignac number, because 126332373617 - 2¹⁴ = 126332357233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126332373619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15279242 + ... + 15287507.

It is an arithmetic number, because the mean of its divisors is an integer number (31590736125).

Almost surely, 2^126332373617 is an apocalyptic number.

It is an amenable number.

126332373617 is a deficient number, since it is larger than the sum of its proper divisors (30570883).

126332373617 is an equidigital number, since it uses as much as digits as its factorization.

126332373617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30570882.

The product of its digits is 571536, while the sum is 44.

The spelling of 126332373617 in words is "one hundred twenty-six billion, three hundred thirty-two million, three hundred seventy-three thousand, six hundred seventeen".