121004853 has 8 divisors (see below), whose sum is σ = 163382400. Its totient is φ = 79648608.

The previous prime is 121004833. The next prime is 121004879. The reversal of 121004853 is 358400121.

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

It is not a de Polignac number, because 121004853 - 2⁶ = 121004789 is a prime.

It is a super-4 number, since 4×121004853⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121004833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255048 + ... + 255521.

It is an arithmetic number, because the mean of its divisors is an integer number (20422800).

Almost surely, 2^121004853 is an apocalyptic number.

It is an amenable number.

121004853 is a deficient number, since it is larger than the sum of its proper divisors (42377547).

121004853 is an equidigital number, since it uses as much as digits as its factorization.

121004853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510651.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 121004853 is about 11000.2205886973. The cubic root of 121004853 is about 494.6153567330.

Adding to 121004853 its reverse (358400121), we get a palindrome (479404974).

The spelling of 121004853 in words is "one hundred twenty-one million, four thousand, eight hundred fifty-three".