121224514 has 4 divisors (see below), whose sum is σ = 181836774. Its totient is φ = 60612256.

The previous prime is 121224491. The next prime is 121224517. The reversal of 121224514 is 415422121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 106440489 + 14784025 = 10317^2 + 3845^2 .

It is not an unprimeable number, because it can be changed into a prime (121224517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30306127 + ... + 30306130.

Almost surely, 2^121224514 is an apocalyptic number.

121224514 is a deficient number, since it is larger than the sum of its proper divisors (60612260).

121224514 is an equidigital number, since it uses as much as digits as its factorization.

121224514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60612259.

The product of its digits is 640, while the sum is 22.

The square root of 121224514 is about 11010.2004523079. The cubic root of 121224514 is about 494.9144687780.

Adding to 121224514 its reverse (415422121), we get a palindrome (536646635).

The spelling of 121224514 in words is "one hundred twenty-one million, two hundred twenty-four thousand, five hundred fourteen".