401230165 has 16 divisors (see below), whose sum is σ = 550615680. Its totient is φ = 274950720.

The previous prime is 401230157. The next prime is 401230169. The reversal of 401230165 is 561032104.

It is not a de Polignac number, because 401230165 - 2³ = 401230157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401230169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73635 + ... + 78895.

It is an arithmetic number, because the mean of its divisors is an integer number (34413480).

Almost surely, 2^401230165 is an apocalyptic number.

It is an amenable number.

401230165 is a deficient number, since it is larger than the sum of its proper divisors (149385515).

401230165 is a wasteful number, since it uses less digits than its factorization.

401230165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 401230165 is about 20030.7305158848. The cubic root of 401230165 is about 737.5608545016.

Adding to 401230165 its reverse (561032104), we get a palindrome (962262269).

The spelling of 401230165 in words is "four hundred one million, two hundred thirty thousand, one hundred sixty-five".