401061 has 8 divisors (see below), whose sum is σ = 547360. Its totient is φ = 261072.

The previous prime is 401057. The next prime is 401069. The reversal of 401061 is 160104.

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

It is not a de Polignac number, because 401061 - 2² = 401057 is a prime.

It is a Duffinian number.

401061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401069) 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, 1426 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (68420).

2⁴⁰¹⁰⁶¹ is an apocalyptic number.

It is an amenable number.

401061 is a deficient number, since it is larger than the sum of its proper divisors (146299).

401061 is a wasteful number, since it uses less digits than its factorization.

401061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 401061 is about 633.2937706941. The cubic root of 401061 is about 73.7457184147.

Adding to 401061 its reverse (160104), we get a palindrome (561165).

The spelling of 401061 in words is "four hundred one thousand, sixty-one".