327012121 has 4 divisors (see below), whose sum is σ = 327051472. Its totient is φ = 326972772.

The previous prime is 327012109. The next prime is 327012143. The reversal of 327012121 is 121210723.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 121210723 = 619 ⋅195817.

It is a cyclic number.

It is not a de Polignac number, because 327012121 - 2²¹ = 324914969 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327012151) 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, 1791 + ... + 25636.

It is an arithmetic number, because the mean of its divisors is an integer number (81762868).

Almost surely, 2^327012121 is an apocalyptic number.

327012121 is the 10441-st hex number.

It is an amenable number.

327012121 is a deficient number, since it is larger than the sum of its proper divisors (39351).

327012121 is a wasteful number, since it uses less digits than its factorization.

327012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39350.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 327012121 is about 18083.4764633353. The cubic root of 327012121 is about 688.9503897467.

Adding to 327012121 its reverse (121210723), we get a palindrome (448222844).

The spelling of 327012121 in words is "three hundred twenty-seven million, twelve thousand, one hundred twenty-one".