126173361 has 8 divisors (see below), whose sum is σ = 168286464. Its totient is φ = 84087920.

The previous prime is 126173353. The next prime is 126173387. The reversal of 126173361 is 163371621.

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

It is a cyclic number.

It is not a de Polignac number, because 126173361 - 2³ = 126173353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126173351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8896 + ... + 18206.

It is an arithmetic number, because the mean of its divisors is an integer number (21035808).

Almost surely, 2^126173361 is an apocalyptic number.

It is an amenable number.

126173361 is a deficient number, since it is larger than the sum of its proper divisors (42113103).

126173361 is an equidigital number, since it uses as much as digits as its factorization.

126173361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13831.

The product of its digits is 4536, while the sum is 30.

The square root of 126173361 is about 11232.6916186638. The cubic root of 126173361 is about 501.5596114992.

The spelling of 126173361 in words is "one hundred twenty-six million, one hundred seventy-three thousand, three hundred sixty-one".