10401003 has 24 divisors (see below), whose sum is σ = 15646176. Its totient is φ = 6652800.

The previous prime is 10400993. The next prime is 10401011. The reversal of 10401003 is 30010401.

It is not a de Polignac number, because 10401003 - 2⁴ = 10400987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10401023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26001 + ... + 26397.

It is an arithmetic number, because the mean of its divisors is an integer number (651924).

Almost surely, 2^10401003 is an apocalyptic number.

10401003 is a deficient number, since it is larger than the sum of its proper divisors (5245173).

10401003 is a wasteful number, since it uses less digits than its factorization.

10401003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10401003 is about 3225.0586041187. The cubic root of 10401003 is about 218.2855934832.

Adding to 10401003 its reverse (30010401), we get a palindrome (40411404).

The spelling of 10401003 in words is "ten million, four hundred one thousand, three".