401122042 has 8 divisors (see below), whose sum is σ = 602305632. Its totient is φ = 200353500.

The previous prime is 401122039. The next prime is 401122081. The reversal of 401122042 is 240221104.

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

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 3 ways as a sum of consecutive naturals, for example, 101334 + ... + 105217.

It is an arithmetic number, because the mean of its divisors is an integer number (75288204).

Almost surely, 2^401122042 is an apocalyptic number.

401122042 is a deficient number, since it is larger than the sum of its proper divisors (201183590).

401122042 is a wasteful number, since it uses less digits than its factorization.

401122042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207524.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 401122042 is about 20028.0314060069. The cubic root of 401122042 is about 737.4945962258.

Adding to 401122042 its reverse (240221104), we get a palindrome (641343146).

The spelling of 401122042 in words is "four hundred one million, one hundred twenty-two thousand, forty-two".