10403001 has 24 divisors (see below), whose sum is σ = 17461184. Its totient is φ = 5844960.

The previous prime is 10402981. The next prime is 10403017. The reversal of 10403001 is 10030401.

It is not a de Polignac number, because 10403001 - 2¹⁷ = 10271929 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10403021) 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, 2490 + ... + 5196.

Almost surely, 2^10403001 is an apocalyptic number.

It is an amenable number.

10403001 is a deficient number, since it is larger than the sum of its proper divisors (7058183).

10403001 is a wasteful number, since it uses less digits than its factorization.

10403001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781 (or 2778 counting only the distinct ones).

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

The square root of 10403001 is about 3225.3683510570. The cubic root of 10403001 is about 218.2995699139.

Adding to 10403001 its reverse (10030401), we get a palindrome (20433402).

The spelling of 10403001 in words is "ten million, four hundred three thousand, one".