1102003121 has 8 divisors (see below), whose sum is σ = 1186604640. Its totient is φ = 1019599168.

The previous prime is 1102003093. The next prime is 1102003151. The reversal of 1102003121 is 1213002011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102003121 - 2⁶ = 1102003057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102003151) 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 7 ways as a sum of consecutive naturals, for example, 548351 + ... + 550356.

It is an arithmetic number, because the mean of its divisors is an integer number (148325580).

Almost surely, 2^1102003121 is an apocalyptic number.

It is an amenable number.

1102003121 is a deficient number, since it is larger than the sum of its proper divisors (84601519).

1102003121 is a wasteful number, since it uses less digits than its factorization.

1102003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098783.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1102003121 is about 33196.4323534924. The cubic root of 1102003121 is about 1032.9063360893.

Adding to 1102003121 its reverse (1213002011), we get a palindrome (2315005132).

The spelling of 1102003121 in words is "one billion, one hundred two million, three thousand, one hundred twenty-one".