1188134130 has 64 divisors (see below), whose sum is σ = 2903205888. Its totient is φ = 311132160.

The previous prime is 1188134119. The next prime is 1188134173. The reversal of 1188134130 is 314318811.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561775 + ... + 563885.

It is an arithmetic number, because the mean of its divisors is an integer number (45362592).

Almost surely, 2^1188134130 is an apocalyptic number.

1188134130 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 1188134130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451602944).

1188134130 is an abundant number, since it is smaller than the sum of its proper divisors (1715071758).

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

1188134130 is a wasteful number, since it uses less digits than its factorization.

1188134130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1188134130 is about 34469.3215773099. The cubic root of 1188134130 is about 1059.1443581569.

The spelling of 1188134130 in words is "one billion, one hundred eighty-eight million, one hundred thirty-four thousand, one hundred thirty".