29668121 has 4 divisors (see below), whose sum is σ = 33906432. Its totient is φ = 25429812.

The previous prime is 29668103. The next prime is 29668157. The reversal of 29668121 is 12186692.

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.

It is a cyclic number.

It is not a de Polignac number, because 29668121 - 2⁶ = 29668057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29668721) 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, 2119145 + ... + 2119158.

It is an arithmetic number, because the mean of its divisors is an integer number (8476608).

Almost surely, 2^29668121 is an apocalyptic number.

It is an amenable number.

29668121 is a deficient number, since it is larger than the sum of its proper divisors (4238311).

29668121 is an equidigital number, since it uses as much as digits as its factorization.

29668121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238310.

The product of its digits is 10368, while the sum is 35.

The square root of 29668121 is about 5446.8450501185. The cubic root of 29668121 is about 309.5731934283.

The spelling of 29668121 in words is "twenty-nine million, six hundred sixty-eight thousand, one hundred twenty-one".