121224722 has 16 divisors (see below), whose sum is σ = 192741120. Its totient is φ = 56985408.

The previous prime is 121224713. The next prime is 121224767. The reversal of 121224722 is 227422121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51863 + ... + 54149.

It is an arithmetic number, because the mean of its divisors is an integer number (12046320).

Almost surely, 2^121224722 is an apocalyptic number.

121224722 is a deficient number, since it is larger than the sum of its proper divisors (71516398).

121224722 is a wasteful number, since it uses less digits than its factorization.

121224722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865.

The product of its digits is 896, while the sum is 23.

The square root of 121224722 is about 11010.2098980900. The cubic root of 121224722 is about 494.9147518400.

Adding to 121224722 its reverse (227422121), we get a palindrome (348646843).

The spelling of 121224722 in words is "one hundred twenty-one million, two hundred twenty-four thousand, seven hundred twenty-two".