32668121 has 4 divisors (see below), whose sum is σ = 32701200. Its totient is φ = 32635044.

The previous prime is 32668117. The next prime is 32668127. The reversal of 32668121 is 12186623.

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: 12186623 = 463 ⋅26321.

It is a cyclic number.

It is not a de Polignac number, because 32668121 - 2² = 32668117 is a prime.

It is a super-2 number, since 2×32668121² = 2134412259341282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32668127) 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, 15011 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (8175300).

Almost surely, 2^32668121 is an apocalyptic number.

It is an amenable number.

32668121 is a deficient number, since it is larger than the sum of its proper divisors (33079).

32668121 is a wasteful number, since it uses less digits than its factorization.

32668121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33078.

The product of its digits is 3456, while the sum is 29.

The square root of 32668121 is about 5715.6032927417. The cubic root of 32668121 is about 319.6745421503.

The spelling of 32668121 in words is "thirty-two million, six hundred sixty-eight thousand, one hundred twenty-one".