121704201 has 20 divisors (see below), whose sum is σ = 189712512. Its totient is φ = 77607288.

The previous prime is 121704179. The next prime is 121704223. The reversal of 121704201 is 102407121.

It is an interprime number because it is at equal distance from previous prime (121704179) and next prime (121704223).

It is not a de Polignac number, because 121704201 - 2⁷ = 121704073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121704281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30801 + ... + 34526.

Almost surely, 2^121704201 is an apocalyptic number.

It is an amenable number.

121704201 is a deficient number, since it is larger than the sum of its proper divisors (68008311).

121704201 is an equidigital number, since it uses as much as digits as its factorization.

121704201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65362 (or 65353 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 121704201 is about 11031.9626993568. The cubic root of 121704201 is about 495.5664039864.

The spelling of 121704201 in words is "one hundred twenty-one million, seven hundred four thousand, two hundred one".