332121329 has 4 divisors (see below), whose sum is σ = 334320960. Its totient is φ = 329921700.

The previous prime is 332121323. The next prime is 332121341. The reversal of 332121329 is 923121233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923121233 = 17 ⋅54301249.

It is a cyclic number.

It is not a de Polignac number, because 332121329 - 2¹⁶ = 332055793 is a prime.

It is a super-2 number, since 2×332121329² = 220609154353452482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 332121298 and 332121307.

It is not an unprimeable number, because it can be changed into a prime (332121323) 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, 1099589 + ... + 1099890.

It is an arithmetic number, because the mean of its divisors is an integer number (83580240).

Almost surely, 2^332121329 is an apocalyptic number.

It is an amenable number.

332121329 is a deficient number, since it is larger than the sum of its proper divisors (2199631).

332121329 is a wasteful number, since it uses less digits than its factorization.

332121329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199630.

The product of its digits is 1944, while the sum is 26.

The square root of 332121329 is about 18224.1962511382. The cubic root of 332121329 is about 692.5198969030.

The spelling of 332121329 in words is "three hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty-nine".