121244101 has 8 divisors (see below), whose sum is σ = 132427008. Its totient is φ = 110088000.

The previous prime is 121244087. The next prime is 121244129. The reversal of 121244101 is 101442121.

It is a happy number.

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

It is not a de Polignac number, because 121244101 - 2⁹ = 121243589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244401) 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, 3436 + ... + 15946.

It is an arithmetic number, because the mean of its divisors is an integer number (16553376).

Almost surely, 2^121244101 is an apocalyptic number.

121244101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121244101 is a deficient number, since it is larger than the sum of its proper divisors (11182907).

121244101 is a wasteful number, since it uses less digits than its factorization.

121244101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 121244101 is about 11011.0899097228. The cubic root of 121244101 is about 494.9411228139.

Adding to 121244101 its reverse (101442121), we get a palindrome (222686222).

The spelling of 121244101 in words is "one hundred twenty-one million, two hundred forty-four thousand, one hundred one".