401011203 has 4 divisors (see below), whose sum is σ = 534681608. Its totient is φ = 267340800.

The previous prime is 401011157. The next prime is 401011213. The reversal of 401011203 is 302110104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 401011203 - 2⁶ = 401011139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401011213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66835198 + ... + 66835203.

It is an arithmetic number, because the mean of its divisors is an integer number (133670402).

Almost surely, 2^401011203 is an apocalyptic number.

401011203 is a deficient number, since it is larger than the sum of its proper divisors (133670405).

401011203 is a wasteful number, since it uses less digits than its factorization.

401011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133670404.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 401011203 is about 20025.2641181084. The cubic root of 401011203 is about 737.4266612125.

Adding to 401011203 its reverse (302110104), we get a palindrome (703121307).

The spelling of 401011203 in words is "four hundred one million, eleven thousand, two hundred three".