401121375 has 32 divisors (see below), whose sum is σ = 706739904. Its totient is φ = 201344000.

The previous prime is 401121373. The next prime is 401121379. The reversal of 401121375 is 573121104.

It is not a de Polignac number, because 401121375 - 2¹ = 401121373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401121373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25086 + ... + 37835.

It is an arithmetic number, because the mean of its divisors is an integer number (22085622).

Almost surely, 2^401121375 is an apocalyptic number.

401121375 is a deficient number, since it is larger than the sum of its proper divisors (305618529).

401121375 is a wasteful number, since it uses less digits than its factorization.

401121375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62956 (or 62946 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 401121375 is about 20028.0147543385. The cubic root of 401121375 is about 737.4941874482.

Adding to 401121375 its reverse (573121104), we get a palindrome (974242479).

The spelling of 401121375 in words is "four hundred one million, one hundred twenty-one thousand, three hundred seventy-five".