401243003 has 8 divisors (see below), whose sum is σ = 463104480. Its totient is φ = 340516800.

The previous prime is 401242979. The next prime is 401243021. The reversal of 401243003 is 300342104.

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 401243003 - 2¹⁶ = 401177467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401243093) 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, 283058 + ... + 284471.

It is an arithmetic number, because the mean of its divisors is an integer number (57888060).

Almost surely, 2^401243003 is an apocalyptic number.

401243003 is a deficient number, since it is larger than the sum of its proper divisors (61861477).

401243003 is a wasteful number, since it uses less digits than its factorization.

401243003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567637.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 401243003 is about 20031.0509709301. The cubic root of 401243003 is about 737.5687208969.

Adding to 401243003 its reverse (300342104), we get a palindrome (701585107).

The spelling of 401243003 in words is "four hundred one million, two hundred forty-three thousand, three".