401245 has 8 divisors (see below), whose sum is σ = 518616. Its totient is φ = 296256.

The previous prime is 401243. The next prime is 401279. The reversal of 401245 is 542104.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 381924 = 139^2 + 618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401245 - 2¹ = 401243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3022 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (64827).

2⁴⁰¹²⁴⁵ is an apocalyptic number.

It is an amenable number.

401245 is a deficient number, since it is larger than the sum of its proper divisors (117371).

401245 is a wasteful number, since it uses less digits than its factorization.

401245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 401245 is about 633.4390262685. The cubic root of 401245 is about 73.7569944530.

Adding to 401245 its reverse (542104), we get a palindrome (943349).

It can be divided in two parts, 401 and 245, that added together give a palindrome (646).

The spelling of 401245 in words is "four hundred one thousand, two hundred forty-five".