121540046 has 8 divisors (see below), whose sum is σ = 183226800. Its totient is φ = 60464448.

The previous prime is 121540039. The next prime is 121540063. The reversal of 121540046 is 640045121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152291 + ... + 153086.

It is an arithmetic number, because the mean of its divisors is an integer number (22903350).

Almost surely, 2^121540046 is an apocalyptic number.

121540046 is a deficient number, since it is larger than the sum of its proper divisors (61686754).

121540046 is a wasteful number, since it uses less digits than its factorization.

121540046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305578.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 121540046 is about 11024.5202163178. The cubic root of 121540046 is about 495.3434965745.

Adding to 121540046 its reverse (640045121), we get a palindrome (761585167).

The spelling of 121540046 in words is "one hundred twenty-one million, five hundred forty thousand, forty-six".