121017284 has 12 divisors (see below), whose sum is σ = 213448704. Its totient is φ = 60031944.

The previous prime is 121017257. The next prime is 121017301. The reversal of 121017284 is 482710121.

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, 118604 + ... + 119619.

It is an arithmetic number, because the mean of its divisors is an integer number (17787392).

Almost surely, 2^121017284 is an apocalyptic number.

It is an amenable number.

121017284 is a deficient number, since it is larger than the sum of its proper divisors (92431420).

121017284 is a wasteful number, since it uses less digits than its factorization.

121017284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238354 (or 238352 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 121017284 is about 11000.7856083100. The cubic root of 121017284 is about 494.6322936652.

The spelling of 121017284 in words is "one hundred twenty-one million, seventeen thousand, two hundred eighty-four".