1121002103 has 8 divisors (see below), whose sum is σ = 1211595168. Its totient is φ = 1031032224.

The previous prime is 1121002097. The next prime is 1121002121. The reversal of 1121002103 is 3012001211.

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 1121002103 - 2⁴ = 1121002087 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 (1121002133) 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, 152051 + ... + 159252.

It is an arithmetic number, because the mean of its divisors is an integer number (151449396).

Almost surely, 2^1121002103 is an apocalyptic number.

1121002103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121002103 is a deficient number, since it is larger than the sum of its proper divisors (90593065).

1121002103 is a wasteful number, since it uses less digits than its factorization.

1121002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311593.

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

The square root of 1121002103 is about 33481.3694911065. The cubic root of 1121002103 is about 1038.8084550605.

Adding to 1121002103 its reverse (3012001211), we get a palindrome (4133003314).

The spelling of 1121002103 in words is "one billion, one hundred twenty-one million, two thousand, one hundred three".