121205274 has 16 divisors (see below), whose sum is σ = 256670208. Its totient is φ = 38025152.

The previous prime is 121205233. The next prime is 121205309. The reversal of 121205274 is 472502121.

It is a Curzon number.

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, 594042 + ... + 594245.

It is an arithmetic number, because the mean of its divisors is an integer number (16041888).

Almost surely, 2^121205274 is an apocalyptic number.

121205274 is an abundant number, since it is smaller than the sum of its proper divisors (135464934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121205274 is a wasteful number, since it uses less digits than its factorization.

121205274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188309.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 121205274 is about 11009.3266824089. The cubic root of 121205274 is about 494.8882841451. Note that the first 3 decimals are identical.

Adding to 121205274 its reverse (472502121), we get a palindrome (593707395).

The spelling of 121205274 in words is "one hundred twenty-one million, two hundred five thousand, two hundred seventy-four".