121314340 has 48 divisors (see below), whose sum is σ = 291820032. Its totient is φ = 41498496.

The previous prime is 121314317. The next prime is 121314341. The reversal of 121314340 is 43413121.

It is not an unprimeable number, because it can be changed into a prime (121314341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90757 + ... + 92083.

It is an arithmetic number, because the mean of its divisors is an integer number (6079584).

Almost surely, 2^121314340 is an apocalyptic number.

121314340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121314340 is an abundant number, since it is smaller than the sum of its proper divisors (170505692).

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

121314340 is a wasteful number, since it uses less digits than its factorization.

121314340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 1994 counting only the distinct ones).

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

The square root of 121314340 is about 11014.2789142095. The cubic root of 121314340 is about 495.0366806134.

Adding to 121314340 its reverse (43413121), we get a palindrome (164727461).

It can be divided in two parts, 12131 and 4340, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 121314340 in words is "one hundred twenty-one million, three hundred fourteen thousand, three hundred forty".