1172421108306 has 96 divisors (see below), whose sum is σ = 2973084566400. Its totient is φ = 333767667744.

The previous prime is 1172421108283. The next prime is 1172421108307. The reversal of 1172421108306 is 6038011242711.

1172421108306 is a `hidden beast` number, since 1 + 1 + 7 + 242 + 1 + 108 + 306 = 666.

It is not an unprimeable number, because it can be changed into a prime (1172421108307) 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, 1367425 + ... + 2052971.

It is an arithmetic number, because the mean of its divisors is an integer number (30969630900).

Almost surely, 2^{1172421108306} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172421108306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486542283200).

1172421108306 is an abundant number, since it is smaller than the sum of its proper divisors (1800663458094).

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

1172421108306 is a wasteful number, since it uses less digits than its factorization.

1172421108306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685853 (or 685836 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 1172421108306 in words is "one trillion, one hundred seventy-two billion, four hundred twenty-one million, one hundred eight thousand, three hundred six".