401211 has 6 divisors (see below), whose sum is σ = 579540. Its totient is φ = 267468.

The previous prime is 401209. The next prime is 401231. The reversal of 401211 is 112104.

It is a happy number.

It is not a de Polignac number, because 401211 - 2¹ = 401209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 44579 = 401211 / (4 + 0 + 1 + 2 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 401193 and 401202.

It is not an unprimeable number, because it can be changed into a prime (401201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22281 + ... + 22298.

It is an arithmetic number, because the mean of its divisors is an integer number (96590).

2⁴⁰¹²¹¹ is an apocalyptic number.

401211 is a deficient number, since it is larger than the sum of its proper divisors (178329).

401211 is a wasteful number, since it uses less digits than its factorization.

401211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44585 (or 44582 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 401211 is about 633.4121880735. The cubic root of 401211 is about 73.7549110969.

Adding to 401211 its reverse (112104), we get a palindrome (513315).

The spelling of 401211 in words is "four hundred one thousand, two hundred eleven", and thus it is an iban number.