121044003 has 16 divisors (see below), whose sum is σ = 170782080. Its totient is φ = 76045824.

The previous prime is 121043981. The next prime is 121044031. The reversal of 121044003 is 300440121.

It is a Cunningham number, because it is equal to 11002²-1.

It is not a de Polignac number, because 121044003 - 2⁹ = 121043491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121044073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5500 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (10673880).

Almost surely, 2^121044003 is an apocalyptic number.

121044003 is a deficient number, since it is larger than the sum of its proper divisors (49738077).

121044003 is a wasteful number, since it uses less digits than its factorization.

121044003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11218.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 121044003 is about 11001.9999545537. Note that the first 4 decimals coincide. The cubic root of 121044003 is about 494.6686937211.

Adding to 121044003 its reverse (300440121), we get a palindrome (421484124).

The spelling of 121044003 in words is "one hundred twenty-one million, forty-four thousand, three".