121334340 has 24 divisors (see below), whose sum is σ = 339736320. Its totient is φ = 32355808.

The previous prime is 121334329. The next prime is 121334357. The reversal of 121334340 is 43433121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011060 + ... + 1011179.

It is an arithmetic number, because the mean of its divisors is an integer number (14155680).

Almost surely, 2^121334340 is an apocalyptic number.

121334340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121334340 is an abundant number, since it is smaller than the sum of its proper divisors (218401980).

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

121334340 is a wasteful number, since it uses less digits than its factorization.

121334340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022251 (or 2022249 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 121334340 is about 11015.1867891561. The cubic root of 121334340 is about 495.0638831947.

Adding to 121334340 its reverse (43433121), we get a palindrome (164767461).

It can be divided in two parts, 1213 and 34340, that added together give a palindrome (35553).

The spelling of 121334340 in words is "one hundred twenty-one million, three hundred thirty-four thousand, three hundred forty".