401272 has 8 divisors (see below), whose sum is σ = 752400. Its totient is φ = 200632.

The previous prime is 401243. The next prime is 401279. The reversal of 401272 is 272104.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×401272² = 322038435968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25072 + ... + 25087.

It is an arithmetic number, because the mean of its divisors is an integer number (94050).

2⁴⁰¹²⁷² is an apocalyptic number.

It is an amenable number.

401272 is a deficient number, since it is larger than the sum of its proper divisors (351128).

401272 is a wasteful number, since it uses less digits than its factorization.

401272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50165 (or 50161 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 401272 is about 633.4603381428. The cubic root of 401272 is about 73.7586487990.

Adding to 401272 its reverse (272104), we get a palindrome (673376).

The spelling of 401272 in words is "four hundred one thousand, two hundred seventy-two", and thus it is an iban number.