121103053 has 16 divisors (see below), whose sum is σ = 132024816. Its totient is φ = 110632960.

The previous prime is 121103051. The next prime is 121103069. The reversal of 121103053 is 350301121.

It can be written as a sum of positive squares in 8 ways, for example, as 4743684 + 116359369 = 2178^2 + 10787^2 .

It is a cyclic number.

It is not a de Polignac number, because 121103053 - 2¹ = 121103051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203925 + ... + 204517.

It is an arithmetic number, because the mean of its divisors is an integer number (8251551).

Almost surely, 2^121103053 is an apocalyptic number.

It is an amenable number.

121103053 is a deficient number, since it is larger than the sum of its proper divisors (10921763).

121103053 is a wasteful number, since it uses less digits than its factorization.

121103053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 121103053 is about 11004.6832303343. The cubic root of 121103053 is about 494.7491202243.

Adding to 121103053 its reverse (350301121), we get a palindrome (471404174).

The spelling of 121103053 in words is "one hundred twenty-one million, one hundred three thousand, fifty-three".