1188129052 has 96 divisors (see below), whose sum is σ = 2491292160. Its totient is φ = 489888000.

The previous prime is 1188129029. The next prime is 1188129067. The reversal of 1188129052 is 2509218811.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2195902 + ... + 2196442.

It is an arithmetic number, because the mean of its divisors is an integer number (25950960).

Almost surely, 2^1188129052 is an apocalyptic number.

It is an amenable number.

1188129052 is an abundant number, since it is smaller than the sum of its proper divisors (1303163108).

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

1188129052 is a wasteful number, since it uses less digits than its factorization.

1188129052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 1188129052 is about 34469.2479175279. The cubic root of 1188129052 is about 1059.1428492525.

The spelling of 1188129052 in words is "one billion, one hundred eighty-eight million, one hundred twenty-nine thousand, fifty-two".