121646001 has 8 divisors (see below), whose sum is σ = 164017440. Its totient is φ = 80185952.

The previous prime is 121645967. The next prime is 121646003. The reversal of 121646001 is 100646121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121646001 - 2¹¹ = 121643953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121646003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227535 + ... + 228068.

It is an arithmetic number, because the mean of its divisors is an integer number (20502180).

Almost surely, 2^121646001 is an apocalyptic number.

It is an amenable number.

121646001 is a deficient number, since it is larger than the sum of its proper divisors (42371439).

121646001 is an equidigital number, since it uses as much as digits as its factorization.

121646001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455695.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 121646001 is about 11029.3245940085. The cubic root of 121646001 is about 495.4873966796.

The spelling of 121646001 in words is "one hundred twenty-one million, six hundred forty-six thousand, one".