121144001 has 8 divisors (see below), whose sum is σ = 136420608. Its totient is φ = 106578000.

The previous prime is 121143983. The next prime is 121144007. The reversal of 121144001 is 100441121.

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

It is not a de Polignac number, because 121144001 - 2¹⁰ = 121142977 is a prime.

It is a super-3 number, since 3×121144001³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121144007) 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 7 ways as a sum of consecutive naturals, for example, 177290 + ... + 177971.

It is an arithmetic number, because the mean of its divisors is an integer number (17052576).

Almost surely, 2^121144001 is an apocalyptic number.

121144001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121144001 is a deficient number, since it is larger than the sum of its proper divisors (15276607).

121144001 is a wasteful number, since it uses less digits than its factorization.

121144001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355303.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 121144001 is about 11006.5435537229. The cubic root of 121144001 is about 494.8048763305.

Adding to 121144001 its reverse (100441121), we get a palindrome (221585122).

The spelling of 121144001 in words is "one hundred twenty-one million, one hundred forty-four thousand, one".