126946261173 has 48 divisors (see below), whose sum is σ = 184922013696. Its totient is φ = 77371316640.

The previous prime is 126946261171. The next prime is 126946261181. The reversal of 126946261173 is 371162649621.

It is not a de Polignac number, because 126946261173 - 2¹ = 126946261171 is a prime.

It is a super-2 number, since 2×126946261173² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126946261171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12316140 + ... + 12326442.

It is an arithmetic number, because the mean of its divisors is an integer number (3852541952).

Almost surely, 2^126946261173 is an apocalyptic number.

It is an amenable number.

126946261173 is a deficient number, since it is larger than the sum of its proper divisors (57975752523).

126946261173 is a wasteful number, since it uses less digits than its factorization.

126946261173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742 (or 10723 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The spelling of 126946261173 in words is "one hundred twenty-six billion, nine hundred forty-six million, two hundred sixty-one thousand, one hundred seventy-three".