183121332 has 12 divisors (see below), whose sum is σ = 427283136. Its totient is φ = 61040440.

The previous prime is 183121321. The next prime is 183121333. The reversal of 183121332 is 233121381.

183121332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183121333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7630044 + ... + 7630067.

It is an arithmetic number, because the mean of its divisors is an integer number (35606928).

Almost surely, 2^183121332 is an apocalyptic number.

183121332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

183121332 is an abundant number, since it is smaller than the sum of its proper divisors (244161804).

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

183121332 is a wasteful number, since it uses less digits than its factorization.

183121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15260118 (or 15260116 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 183121332 is about 13532.2330751432. The cubic root of 183121332 is about 567.8665832580.

The spelling of 183121332 in words is "one hundred eighty-three million, one hundred twenty-one thousand, three hundred thirty-two".