1188020532 has 12 divisors (see below), whose sum is σ = 2772047936. Its totient is φ = 396006840.

The previous prime is 1188020527. The next prime is 1188020549. The reversal of 1188020532 is 2350208811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1188020532² = 2822785568907126048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1188020532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49500844 + ... + 49500867.

Almost surely, 2^1188020532 is an apocalyptic number.

1188020532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1188020532 is an abundant number, since it is smaller than the sum of its proper divisors (1584027404).

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

1188020532 is a wasteful number, since it uses less digits than its factorization.

1188020532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99001718 (or 99001716 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1188020532 is about 34467.6737248106. The cubic root of 1188020532 is about 1059.1106020031.

The spelling of 1188020532 in words is "one billion, one hundred eighty-eight million, twenty thousand, five hundred thirty-two".