126173112 has 64 divisors (see below), whose sum is σ = 344064000. Its totient is φ = 38323584.

The previous prime is 126173107. The next prime is 126173149. The reversal of 126173112 is 211371621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22089 + ... + 27207.

It is an arithmetic number, because the mean of its divisors is an integer number (5376000).

Almost surely, 2^126173112 is an apocalyptic number.

126173112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126173112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172032000).

126173112 is an abundant number, since it is smaller than the sum of its proper divisors (217890888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126173112 is a wasteful number, since it uses less digits than its factorization.

126173112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220 (or 5216 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 126173112 is about 11232.6805349391. The cubic root of 126173112 is about 501.5592815605.

The spelling of 126173112 in words is "one hundred twenty-six million, one hundred seventy-three thousand, one hundred twelve".