1117145196 has 60 divisors (see below), whose sum is σ = 2927550472. Its totient is φ = 371475072.

The previous prime is 1117145189. The next prime is 1117145219. The reversal of 1117145196 is 6915417111.

1117145196 is a `hidden beast` number, since 1 + 117 + 1 + 451 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1117145196.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 136311 + ... + 144273.

Almost surely, 2^1117145196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117145196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463775236).

1117145196 is an abundant number, since it is smaller than the sum of its proper divisors (1810405276).

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

1117145196 is a wasteful number, since it uses less digits than its factorization.

1117145196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412 (or 8401 counting only the distinct ones).

The product of its digits is 7560, while the sum is 36.

The square root of 1117145196 is about 33423.7220548520. The cubic root of 1117145196 is about 1037.6157152785.

The spelling of 1117145196 in words is "one billion, one hundred seventeen million, one hundred forty-five thousand, one hundred ninety-six".