1161841230 has 96 divisors (see below), whose sum is σ = 3319505280. Its totient is φ = 279599040.

The previous prime is 1161841223. The next prime is 1161841271. The reversal of 1161841230 is 321481611.

It is a happy number.

1161841230 is a `hidden beast` number, since 1 + 1 + 618 + 4 + 12 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1161841194 and 1161841203.

It is a congruent number.

It is an unprimeable number.

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, 133389 + ... + 141831.

It is an arithmetic number, because the mean of its divisors is an integer number (34578180).

Almost surely, 2^1161841230 is an apocalyptic number.

1161841230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161841230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1659752640).

1161841230 is an abundant number, since it is smaller than the sum of its proper divisors (2157664050).

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

1161841230 is a wasteful number, since it uses less digits than its factorization.

1161841230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8606 (or 8603 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1161841230 is about 34085.7922014437. The cubic root of 1161841230 is about 1051.2732038201.

The spelling of 1161841230 in words is "one billion, one hundred sixty-one million, eight hundred forty-one thousand, two hundred thirty".