401312201 has 4 divisors (see below), whose sum is σ = 403413504. Its totient is φ = 399210900.

The previous prime is 401312113. The next prime is 401312203. The reversal of 401312201 is 102213104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401312201 is a prime.

It is a super-2 number, since 2×401312201² = 322102965342928802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401312203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050365 + ... + 1050746.

It is an arithmetic number, because the mean of its divisors is an integer number (100853376).

Almost surely, 2^401312201 is an apocalyptic number.

It is an amenable number.

401312201 is a deficient number, since it is larger than the sum of its proper divisors (2101303).

401312201 is a wasteful number, since it uses less digits than its factorization.

401312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101302.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 401312201 is about 20032.7781647978. The cubic root of 401312201 is about 737.6111186012.

Adding to 401312201 its reverse (102213104), we get a palindrome (503525305).

The spelling of 401312201 in words is "four hundred one million, three hundred twelve thousand, two hundred one".