401267 has 4 divisors (see below), whose sum is σ = 411096. Its totient is φ = 391440.

The previous prime is 401243. The next prime is 401279. The reversal of 401267 is 762104.

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

It is a cyclic number.

It is not a de Polignac number, because 401267 - 2¹⁰ = 400243 is a prime.

It is a super-2 number, since 2×401267² = 322030410578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401237) 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, 4853 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (102774).

2⁴⁰¹²⁶⁷ is an apocalyptic number.

401267 is a deficient number, since it is larger than the sum of its proper divisors (9829).

401267 is an equidigital number, since it uses as much as digits as its factorization.

401267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9828.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 401267 is about 633.4563915535. The cubic root of 401267 is about 73.7583424442.

The spelling of 401267 in words is "four hundred one thousand, two hundred sixty-seven".