1233921132 has 36 divisors (see below), whose sum is σ = 3302555256. Its totient is φ = 387112320.

The previous prime is 1233921121. The next prime is 1233921193. The reversal of 1233921132 is 2311293321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1233921132² = 3045122719992322848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1233921096 and 1233921105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007494 + ... + 1008717.

It is an arithmetic number, because the mean of its divisors is an integer number (91737646).

Almost surely, 2^1233921132 is an apocalyptic number.

1233921132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233921132 is an abundant number, since it is smaller than the sum of its proper divisors (2068634124).

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

1233921132 is a wasteful number, since it uses less digits than its factorization.

1233921132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016238 (or 2016233 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1233921132 is about 35127.2135530275. The cubic root of 1233921132 is about 1072.5786155227.

The spelling of 1233921132 in words is "one billion, two hundred thirty-three million, nine hundred twenty-one thousand, one hundred thirty-two".