121303340 has 12 divisors (see below), whose sum is σ = 254737056. Its totient is φ = 48521328.

The previous prime is 121303339. The next prime is 121303349. The reversal of 121303340 is 43303121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121303349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032564 + ... + 3032603.

It is an arithmetic number, because the mean of its divisors is an integer number (21228088).

Almost surely, 2^121303340 is an apocalyptic number.

121303340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121303340 is an abundant number, since it is smaller than the sum of its proper divisors (133433716).

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

121303340 is a wasteful number, since it uses less digits than its factorization.

121303340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065176 (or 6065174 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 121303340 is about 11013.7795510896. The cubic root of 121303340 is about 495.0217179193.

Adding to 121303340 its reverse (43303121), we get a palindrome (164606461).

The spelling of 121303340 in words is "one hundred twenty-one million, three hundred three thousand, three hundred forty".