121226113 has 8 divisors (see below), whose sum is σ = 124242048. Its totient is φ = 118228464.

The previous prime is 121226101. The next prime is 121226153. The reversal of 121226113 is 311622121.

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 121226113 - 2⁵ = 121226081 is a prime.

It is a super-3 number, since 3×121226113³ (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 (121226153) 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, 9370 + ... + 18172.

It is an arithmetic number, because the mean of its divisors is an integer number (15530256).

Almost surely, 2^121226113 is an apocalyptic number.

It is an amenable number.

121226113 is a deficient number, since it is larger than the sum of its proper divisors (3015935).

121226113 is an equidigital number, since it uses as much as digits as its factorization.

121226113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9143.

The product of its digits is 144, while the sum is 19.

The square root of 121226113 is about 11010.2730665502. The cubic root of 121226113 is about 494.9166448086.

Adding to 121226113 its reverse (311622121), we get a palindrome (432848234).

The spelling of 121226113 in words is "one hundred twenty-one million, two hundred twenty-six thousand, one hundred thirteen".