121324516 has 24 divisors (see below), whose sum is σ = 222747840. Its totient is φ = 57741600.

The previous prime is 121324513. The next prime is 121324523. The reversal of 121324516 is 615423121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121324513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871 + ... + 15601.

It is an arithmetic number, because the mean of its divisors is an integer number (9281160).

Almost surely, 2^121324516 is an apocalyptic number.

It is an amenable number.

121324516 is a deficient number, since it is larger than the sum of its proper divisors (101423324).

121324516 is a wasteful number, since it uses less digits than its factorization.

121324516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14835 (or 14833 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 121324516 is about 11014.7408503332. The cubic root of 121324516 is about 495.0505216604.

Adding to 121324516 its reverse (615423121), we get a palindrome (736747637).

The spelling of 121324516 in words is "one hundred twenty-one million, three hundred twenty-four thousand, five hundred sixteen".