121954001 has 8 divisors (see below), whose sum is σ = 131552064. Its totient is φ = 112386960.

The previous prime is 121953973. The next prime is 121954043. The reversal of 121954001 is 100459121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121954001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121954051) 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, 770 + ... + 15636.

It is an arithmetic number, because the mean of its divisors is an integer number (16444008).

Almost surely, 2^121954001 is an apocalyptic number.

It is an amenable number.

121954001 is a deficient number, since it is larger than the sum of its proper divisors (9598063).

121954001 is a wasteful number, since it uses less digits than its factorization.

121954001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 121954001 is about 11043.2785439832. The cubic root of 121954001 is about 495.9052251822.

The spelling of 121954001 in words is "one hundred twenty-one million, nine hundred fifty-four thousand, one".