121473285 has 8 divisors (see below), whose sum is σ = 194357280. Its totient is φ = 64785744.

The previous prime is 121473277. The next prime is 121473299. The reversal of 121473285 is 582374121.

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

It is not a de Polignac number, because 121473285 - 2³ = 121473277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4049095 + ... + 4049124.

It is an arithmetic number, because the mean of its divisors is an integer number (24294660).

Almost surely, 2^121473285 is an apocalyptic number.

121473285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121473285 is a deficient number, since it is larger than the sum of its proper divisors (72883995).

121473285 is an equidigital number, since it uses as much as digits as its factorization.

121473285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098227.

The product of its digits is 13440, while the sum is 33.

The square root of 121473285 is about 11021.4919588956. The cubic root of 121473285 is about 495.2527838558.

The spelling of 121473285 in words is "one hundred twenty-one million, four hundred seventy-three thousand, two hundred eighty-five".