126187041173 has 4 divisors (see below), whose sum is σ = 126202895808. Its totient is φ = 126171186540.

The previous prime is 126187041163. The next prime is 126187041181. The reversal of 126187041173 is 371140781621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126187041173 - 2⁶ = 126187041109 is a prime.

It is a super-3 number, since 3×126187041173³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126187041173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126187041163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7915373 + ... + 7931298.

It is an arithmetic number, because the mean of its divisors is an integer number (31550723952).

Almost surely, 2^126187041173 is an apocalyptic number.

It is an amenable number.

126187041173 is a deficient number, since it is larger than the sum of its proper divisors (15854635).

126187041173 is an equidigital number, since it uses as much as digits as its factorization.

126187041173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15854634.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 126187041173 in words is "one hundred twenty-six billion, one hundred eighty-seven million, forty-one thousand, one hundred seventy-three".