10402001003 has 8 divisors (see below), whose sum is σ = 11055782400. Its totient is φ = 9758850408.

The previous prime is 10402000993. The next prime is 10402001017. The reversal of 10402001003 is 30010020401.

It is a happy number.

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 10402001003 - 2⁸ = 10402000747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10402001033) 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, 2655683 + ... + 2659596.

It is an arithmetic number, because the mean of its divisors is an integer number (1381972800).

Almost surely, 2^10402001003 is an apocalyptic number.

10402001003 is a deficient number, since it is larger than the sum of its proper divisors (653781397).

10402001003 is a wasteful number, since it uses less digits than its factorization.

10402001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315401.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10402001003 its reverse (30010020401), we get a palindrome (40412021404).

The spelling of 10402001003 in words is "ten billion, four hundred two million, one thousand, three".