29196121 has 4 divisors (see below), whose sum is σ = 29631952. Its totient is φ = 28760292.

The previous prime is 29196113. The next prime is 29196133. The reversal of 29196121 is 12169192.

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 29196121 - 2³ = 29196113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29196151) 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, 217815 + ... + 217948.

It is an arithmetic number, because the mean of its divisors is an integer number (7407988).

Almost surely, 2^29196121 is an apocalyptic number.

It is an amenable number.

29196121 is a deficient number, since it is larger than the sum of its proper divisors (435831).

29196121 is an equidigital number, since it uses as much as digits as its factorization.

29196121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435830.

The product of its digits is 1944, while the sum is 31.

The square root of 29196121 is about 5403.3435019440. The cubic root of 29196121 is about 307.9227085811.

The spelling of 29196121 in words is "twenty-nine million, one hundred ninety-six thousand, one hundred twenty-one".