401321002 has 16 divisors (see below), whose sum is σ = 634066560. Its totient is φ = 189978912.

The previous prime is 401320991. The next prime is 401321017. The reversal of 401321002 is 200123104.

It is a super-2 number, since 2×401321002² = 322117093292568008, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 94558 + ... + 98710.

It is an arithmetic number, because the mean of its divisors is an integer number (39629160).

Almost surely, 2^401321002 is an apocalyptic number.

401321002 is a deficient number, since it is larger than the sum of its proper divisors (232745558).

401321002 is a wasteful number, since it uses less digits than its factorization.

401321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6717.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 401321002 is about 20032.9978285827. The cubic root of 401321002 is about 737.6165106360.

Adding to 401321002 its reverse (200123104), we get a palindrome (601444106).

The spelling of 401321002 in words is "four hundred one million, three hundred twenty-one thousand, two".