401243201 has 4 divisors (see below), whose sum is σ = 401376432. Its totient is φ = 401109972.

The previous prime is 401243189. The next prime is 401243209. The reversal of 401243201 is 102342104.

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 not a de Polignac number, because 401243201 - 2¹⁴ = 401226817 is a prime.

It is a super-2 number, since 2×401243201² = 321992212697452802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401243201.

It is not an unprimeable number, because it can be changed into a prime (401243209) 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, 61991 + ... + 68156.

It is an arithmetic number, because the mean of its divisors is an integer number (100344108).

Almost surely, 2^401243201 is an apocalyptic number.

It is an amenable number.

401243201 is a deficient number, since it is larger than the sum of its proper divisors (133231).

401243201 is a wasteful number, since it uses less digits than its factorization.

401243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133230.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401243201 is about 20031.0559132563. The cubic root of 401243201 is about 737.5688422187.

Adding to 401243201 its reverse (102342104), we get a palindrome (503585305).

The spelling of 401243201 in words is "four hundred one million, two hundred forty-three thousand, two hundred one".