121705475 has 12 divisors (see below), whose sum is σ = 151276776. Its totient is φ = 97130880.

The previous prime is 121705471. The next prime is 121705477. The reversal of 121705475 is 574507121.

It is not a de Polignac number, because 121705475 - 2² = 121705471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121705471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5204 + ... + 16446.

It is an arithmetic number, because the mean of its divisors is an integer number (12606398).

Almost surely, 2^121705475 is an apocalyptic number.

121705475 is a deficient number, since it is larger than the sum of its proper divisors (29571301).

121705475 is a wasteful number, since it uses less digits than its factorization.

121705475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11686 (or 11681 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 121705475 is about 11032.0204405177. The cubic root of 121705475 is about 495.5681331773.

The spelling of 121705475 in words is "one hundred twenty-one million, seven hundred five thousand, four hundred seventy-five".