1161130 has 8 divisors (see below), whose sum is σ = 2090052. Its totient is φ = 464448.

The previous prime is 1161113. The next prime is 1161137. The reversal of 1161130 is 311611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1151329 + 9801 = 1073^2 + 99^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161130.

It is not an unprimeable number, because it can be changed into a prime (1161137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58047 + ... + 58066.

2^1161130 is an apocalyptic number.

1161130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161130 is a deficient number, since it is larger than the sum of its proper divisors (928922).

1161130 is a wasteful number, since it uses less digits than its factorization.

1161130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116120.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1161130 is about 1077.5574230638. The cubic root of 1161130 is about 105.1058645054.

Adding to 1161130 its reverse (311611), we get a palindrome (1472741).

The spelling of 1161130 in words is "one million, one hundred sixty-one thousand, one hundred thirty".