401143122 has 24 divisors (see below), whose sum is σ = 892635276. Its totient is φ = 130100256.

The previous prime is 401143081. The next prime is 401143147. The reversal of 401143122 is 221341104.

401143122 is a `hidden beast` number, since 401 + 143 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 394062201 + 7080921 = 19851^2 + 2661^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 401143095 and 401143104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300493 + ... + 301824.

Almost surely, 2^401143122 is an apocalyptic number.

401143122 is an abundant number, since it is smaller than the sum of its proper divisors (491492154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401143122 is a wasteful number, since it uses less digits than its factorization.

401143122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602362 (or 602359 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 401143122 is about 20028.5576614992. The cubic root of 401143122 is about 737.5075150819.

Adding to 401143122 its reverse (221341104), we get a palindrome (622484226).

The spelling of 401143122 in words is "four hundred one million, one hundred forty-three thousand, one hundred twenty-two".