121113134 has 16 divisors (see below), whose sum is σ = 192712608.
Its totient is φ = 56888832.
The previous prime is 121113119. The next prime is 121113137. The reversal of 121113134 is 431311121.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121113137) 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, 17159 + ... + 23165.
It is an arithmetic number, because the mean of its divisors is an integer number (12044538).
Almost surely, 2121113134 is an apocalyptic number.
121113134 is a deficient number, since it is larger than the sum of its proper divisors (71599474).
121113134 is a wasteful number, since it uses less digits than its factorization.
121113134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6619.
The product of its digits is 72, while the sum is 17.
The square root of 121113134 is about 11005.1412530689.
The cubic root of 121113134 is about 494.7628480024.
Adding to 121113134 its reverse (431311121), we get a palindrome (552424255).
The spelling of 121113134 in words is "one hundred twenty-one million, one hundred thirteen thousand, one hundred thirty-four".