121333134 has 16 divisors (see below), whose sum is σ = 261333072. Its totient is φ = 37333248.

The previous prime is 121333111. The next prime is 121333139. The reversal of 121333134 is 431333121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121333134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333139) 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, 777699 + ... + 777854.

It is an arithmetic number, because the mean of its divisors is an integer number (16333317).

Almost surely, 2^121333134 is an apocalyptic number.

121333134 is an abundant number, since it is smaller than the sum of its proper divisors (139999938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121333134 is a wasteful number, since it uses less digits than its factorization.

121333134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555571.

The product of its digits is 648, while the sum is 21.

The square root of 121333134 is about 11015.1320464169. The cubic root of 121333134 is about 495.0622429638.

Adding to 121333134 its reverse (431333121), we get a palindrome (552666255).

The spelling of 121333134 in words is "one hundred twenty-one million, three hundred thirty-three thousand, one hundred thirty-four".