121227340 has 48 divisors (see below), whose sum is σ = 290297952. Its totient is φ = 42126336.

The previous prime is 121227311. The next prime is 121227343. The reversal of 121227340 is 43722121.

It is not an unprimeable number, because it can be changed into a prime (121227343) 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, 9294 + ... + 18133.

It is an arithmetic number, because the mean of its divisors is an integer number (6047874).

Almost surely, 2^121227340 is an apocalyptic number.

121227340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121227340 is an abundant number, since it is smaller than the sum of its proper divisors (169070612).

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

121227340 is a wasteful number, since it uses less digits than its factorization.

121227340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27466 (or 27464 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 121227340 is about 11010.3287870980. The cubic root of 121227340 is about 494.9183145827.

Adding to 121227340 its reverse (43722121), we get a palindrome (164949461).

The spelling of 121227340 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, three hundred forty".