401321203 has 16 divisors (see below), whose sum is σ = 425831040. Its totient is φ = 377726976.

The previous prime is 401321191. The next prime is 401321209. The reversal of 401321203 is 302123104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 401321203 - 2⁵ = 401321171 is a prime.

It is a super-2 number, since 2×401321203² = 322117415954734418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401321209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153475 + ... + 156067.

It is an arithmetic number, because the mean of its divisors is an integer number (26614440).

Almost surely, 2^401321203 is an apocalyptic number.

401321203 is a deficient number, since it is larger than the sum of its proper divisors (24509837).

401321203 is a wasteful number, since it uses less digits than its factorization.

401321203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 401321203 is about 20033.0028453050. The cubic root of 401321203 is about 737.6166337801.

Adding to 401321203 its reverse (302123104), we get a palindrome (703444307).

The spelling of 401321203 in words is "four hundred one million, three hundred twenty-one thousand, two hundred three".