121282803 has 6 divisors (see below), whose sum is σ = 175186284. Its totient is φ = 80855196.

The previous prime is 121282783. The next prime is 121282807. The reversal of 121282803 is 308282121.

It is not a de Polignac number, because 121282803 - 2⁸ = 121282547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121282807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6737925 + ... + 6737942.

It is an arithmetic number, because the mean of its divisors is an integer number (29197714).

Almost surely, 2^121282803 is an apocalyptic number.

121282803 is a deficient number, since it is larger than the sum of its proper divisors (53903481).

121282803 is a wasteful number, since it uses less digits than its factorization.

121282803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13475873 (or 13475870 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 121282803 is about 11012.8471795444. The cubic root of 121282803 is about 494.9937801484.

The spelling of 121282803 in words is "one hundred twenty-one million, two hundred eighty-two thousand, eight hundred three".