1165112130 has 128 divisors (see below), whose sum is σ = 3490615296. Its totient is φ = 242323200.

The previous prime is 1165112107. The next prime is 1165112141. The reversal of 1165112130 is 312115611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1165112097 and 1165112106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190825 + ... + 196835.

It is an arithmetic number, because the mean of its divisors is an integer number (27270432).

Almost surely, 2^1165112130 is an apocalyptic number.

1165112130 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 1165112130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745307648).

1165112130 is an abundant number, since it is smaller than the sum of its proper divisors (2325503166).

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

1165112130 is a wasteful number, since it uses less digits than its factorization.

1165112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1165112130 is about 34133.7388810543. The cubic root of 1165112130 is about 1052.2588197535.

Adding to 1165112130 its reverse (312115611), we get a palindrome (1477227741).

The spelling of 1165112130 in words is "one billion, one hundred sixty-five million, one hundred twelve thousand, one hundred thirty".