121334140 has 12 divisors (see below), whose sum is σ = 254801736. Its totient is φ = 48533648.

The previous prime is 121334111. The next prime is 121334141. The reversal of 121334140 is 41433121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121334141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033334 + ... + 3033373.

It is an arithmetic number, because the mean of its divisors is an integer number (21233478).

Almost surely, 2^121334140 is an apocalyptic number.

121334140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121334140 is an abundant number, since it is smaller than the sum of its proper divisors (133467596).

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

121334140 is a wasteful number, since it uses less digits than its factorization.

121334140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066716 (or 6066714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 121334140 is about 11015.1777107771. The cubic root of 121334140 is about 495.0636111837.

Adding to 121334140 its reverse (41433121), we get a palindrome (162767261).

It can be divided in two parts, 1213 and 34140, that added together give a palindrome (35353).

The spelling of 121334140 in words is "one hundred twenty-one million, three hundred thirty-four thousand, one hundred forty".