10402003 has 8 divisors (see below), whose sum is σ = 10886688. Its totient is φ = 9920064.

The previous prime is 10401973. The next prime is 10402031. The reversal of 10402003 is 30020401.

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 10402003 - 2¹³ = 10393811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10402033) 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, 13825 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (1360836).

Almost surely, 2^10402003 is an apocalyptic number.

10402003 is a deficient number, since it is larger than the sum of its proper divisors (484685).

10402003 is an equidigital number, since it uses as much as digits as its factorization.

10402003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10402003 is about 3225.2136363348. The cubic root of 10402003 is about 218.2925889175.

Adding to 10402003 its reverse (30020401), we get a palindrome (40422404).

It can be divided in two parts, 10 and 402003, that multiplied together give a triangular number (4020030 = T₂₈₃₅).

The spelling of 10402003 in words is "ten million, four hundred two thousand, three".