126362270173 has 4 divisors (see below), whose sum is σ = 126428743548. Its totient is φ = 126295796800.

The previous prime is 126362270147. The next prime is 126362270183. The reversal of 126362270173 is 371072263621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371072263621 = 17 ⋅21827780213.

It can be written as a sum of positive squares in 2 ways, for example, as 81308811609 + 45053458564 = 285147^2 + 212258^2 .

It is a cyclic number.

It is not a de Polignac number, because 126362270173 - 2³³ = 117772335581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126362270183) 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, 33233836 + ... + 33237637.

It is an arithmetic number, because the mean of its divisors is an integer number (31607185887).

Almost surely, 2^126362270173 is an apocalyptic number.

It is an amenable number.

126362270173 is a deficient number, since it is larger than the sum of its proper divisors (66473375).

126362270173 is an equidigital number, since it uses as much as digits as its factorization.

126362270173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66473374.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 126362270173 in words is "one hundred twenty-six billion, three hundred sixty-two million, two hundred seventy thousand, one hundred seventy-three".