332121403 has 4 divisors (see below), whose sum is σ = 346561488. Its totient is φ = 317681320.

The previous prime is 332121359. The next prime is 332121409. The reversal of 332121403 is 304121233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304121233 = 13 ⋅23393941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332121403 is a prime.

It is a super-2 number, since 2×332121403² = 220609252661376818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332121409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7220008 + ... + 7220053.

It is an arithmetic number, because the mean of its divisors is an integer number (86640372).

Almost surely, 2^332121403 is an apocalyptic number.

332121403 is a deficient number, since it is larger than the sum of its proper divisors (14440085).

332121403 is a wasteful number, since it uses less digits than its factorization.

332121403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14440084.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 332121403 is about 18224.1982814060. The cubic root of 332121403 is about 692.5199483365.

Adding to 332121403 its reverse (304121233), we get a palindrome (636242636).

The spelling of 332121403 in words is "three hundred thirty-two million, one hundred twenty-one thousand, four hundred three".