121226001 has 8 divisors (see below), whose sum is σ = 174068160. Its totient is φ = 74600592.

The previous prime is 121225991. The next prime is 121226009. The reversal of 121226001 is 100622121.

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

It is not a de Polignac number, because 121226001 - 2⁷ = 121225873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121226009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554141 + ... + 1554218.

It is an arithmetic number, because the mean of its divisors is an integer number (21758520).

Almost surely, 2^121226001 is an apocalyptic number.

It is an amenable number.

121226001 is a deficient number, since it is larger than the sum of its proper divisors (52842159).

121226001 is a wasteful number, since it uses less digits than its factorization.

121226001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108375.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 121226001 is about 11010.2679803899. The cubic root of 121226001 is about 494.9164923918.

Adding to 121226001 its reverse (100622121), we get a palindrome (221848122).

The spelling of 121226001 in words is "one hundred twenty-one million, two hundred twenty-six thousand, one".