121440364 has 24 divisors (see below), whose sum is σ = 219769200. Its totient is φ = 58671936.

The previous prime is 121440359. The next prime is 121440377. The reversal of 121440364 is 463044121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19299 + ... + 24805.

It is an arithmetic number, because the mean of its divisors is an integer number (9157050).

Almost surely, 2^121440364 is an apocalyptic number.

It is an amenable number.

121440364 is a deficient number, since it is larger than the sum of its proper divisors (98328836).

121440364 is a wasteful number, since it uses less digits than its factorization.

121440364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697 (or 5695 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 121440364 is about 11019.9983666060. The cubic root of 121440364 is about 495.2080396143.

Adding to 121440364 its reverse (463044121), we get a palindrome (584484485).

The spelling of 121440364 in words is "one hundred twenty-one million, four hundred forty thousand, three hundred sixty-four".