121216274 has 8 divisors (see below), whose sum is σ = 181895868. Its totient is φ = 60584320.

The previous prime is 121216237. The next prime is 121216283. The reversal of 121216274 is 472612121.

It can be written as a sum of positive squares in 2 ways, for example, as 119793025 + 1423249 = 10945^2 + 1193^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4667 + ... + 16254.

Almost surely, 2^121216274 is an apocalyptic number.

121216274 is a deficient number, since it is larger than the sum of its proper divisors (60679594).

121216274 is a wasteful number, since it uses less digits than its factorization.

121216274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23820.

The product of its digits is 1344, while the sum is 26.

The square root of 121216274 is about 11009.8262474936. The cubic root of 121216274 is about 494.9032549085.

Adding to 121216274 its reverse (472612121), we get a palindrome (593828395).

The spelling of 121216274 in words is "one hundred twenty-one million, two hundred sixteen thousand, two hundred seventy-four".