1117955394 has 96 divisors (see below), whose sum is σ = 2704356720. Its totient is φ = 332107776.

The previous prime is 1117955393. The next prime is 1117955417. The reversal of 1117955394 is 4935597111.

1117955394 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 9 + 553 + 94 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 798797169 + 319158225 = 28263^2 + 17865^2 .

It is not an unprimeable number, because it can be changed into a prime (1117955393) 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 47 ways as a sum of consecutive naturals, for example, 469134 + ... + 471510.

Almost surely, 2^1117955394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117955394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352178360).

1117955394 is an abundant number, since it is smaller than the sum of its proper divisors (1586401326).

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

1117955394 is a wasteful number, since it uses less digits than its factorization.

1117955394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2481 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 1117955394 is about 33435.8399625312. The cubic root of 1117955394 is about 1037.8664946854.

The spelling of 1117955394 in words is "one billion, one hundred seventeen million, nine hundred fifty-five thousand, three hundred ninety-four".