126171707893 has 8 divisors (see below), whose sum is σ = 157304986560. Its totient is φ = 98315616480.

The previous prime is 126171707887. The next prime is 126171707947. The reversal of 126171707893 is 398707171621.

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 126171707893 - 2¹³ = 126171699701 is a prime.

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 126171707893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126171707813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819296728 + ... + 819296881.

It is an arithmetic number, because the mean of its divisors is an integer number (19663123320).

Almost surely, 2^126171707893 is an apocalyptic number.

It is an amenable number.

126171707893 is a deficient number, since it is larger than the sum of its proper divisors (31133278667).

126171707893 is a wasteful number, since it uses less digits than its factorization.

126171707893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638593627.

The product of its (nonzero) digits is 889056, while the sum is 52.

The spelling of 126171707893 in words is "one hundred twenty-six billion, one hundred seventy-one million, seven hundred seven thousand, eight hundred ninety-three".