1021403368 has 16 divisors (see below), whose sum is σ = 2015928000. Its totient is φ = 483822576.

The previous prime is 1021403353. The next prime is 1021403377. The reversal of 1021403368 is 8633041201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3359728 + ... + 3360031.

It is an arithmetic number, because the mean of its divisors is an integer number (125995500).

Almost surely, 2^1021403368 is an apocalyptic number.

It is an amenable number.

1021403368 is a deficient number, since it is larger than the sum of its proper divisors (994524632).

1021403368 is a wasteful number, since it uses less digits than its factorization.

1021403368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719784 (or 6719780 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1021403368 is about 31959.4018717497. The cubic root of 1021403368 is about 1007.0841522799.

Adding to 1021403368 its reverse (8633041201), we get a palindrome (9654444569).

The spelling of 1021403368 in words is "one billion, twenty-one million, four hundred three thousand, three hundred sixty-eight".