1161152230 has 32 divisors (see below), whose sum is σ = 2410995456. Its totient is φ = 394386144.

The previous prime is 1161152197. The next prime is 1161152233. The reversal of 1161152230 is 322511611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161152233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70024 + ... + 85003.

It is an arithmetic number, because the mean of its divisors is an integer number (75343608).

Almost surely, 2^1161152230 is an apocalyptic number.

1161152230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161152230 is an abundant number, since it is smaller than the sum of its proper divisors (1249843226).

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

1161152230 is a wasteful number, since it uses less digits than its factorization.

1161152230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155148.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1161152230 is about 34075.6838522721. The cubic root of 1161152230 is about 1051.0653525672.

Adding to 1161152230 its reverse (322511611), we get a palindrome (1483663841).

The spelling of 1161152230 in words is "one billion, one hundred sixty-one million, one hundred fifty-two thousand, two hundred thirty".