1002120003103 has 8 divisors (see below), whose sum is σ = 1034542309376. Its totient is φ = 969703687800.

The previous prime is 1002120003089. The next prime is 1002120003113. The reversal of 1002120003103 is 3013000212001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002120003103 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 (1002120003113) 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, 1156551 + ... + 1828072.

It is an arithmetic number, because the mean of its divisors is an integer number (129317788672).

Almost surely, 2^{1002120003103} is an apocalyptic number.

1002120003103 is a deficient number, since it is larger than the sum of its proper divisors (32422306273).

1002120003103 is a wasteful number, since it uses less digits than its factorization.

1002120003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995485.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1002120003103 its reverse (3013000212001), we get a palindrome (4015120215104).

The spelling of 1002120003103 in words is "one trillion, two billion, one hundred twenty million, three thousand, one hundred three".