1038621001 has 16 divisors (see below), whose sum is σ = 1212079680. Its totient is φ = 879482880.

The previous prime is 1038620987. The next prime is 1038621041. The reversal of 1038621001 is 1001268301.

1038621001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1038621001 - 2¹⁵ = 1038588233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1038621041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10491 + ... + 46768.

It is an arithmetic number, because the mean of its divisors is an integer number (75754980).

Almost surely, 2^1038621001 is an apocalyptic number.

1038621001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1038621001 is a deficient number, since it is larger than the sum of its proper divisors (173458679).

1038621001 is a wasteful number, since it uses less digits than its factorization.

1038621001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57384.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1038621001 is about 32227.6434292053. The cubic root of 1038621001 is about 1012.7114026086.

Adding to 1038621001 its reverse (1001268301), we get a palindrome (2039889302).

The spelling of 1038621001 in words is "one billion, thirty-eight million, six hundred twenty-one thousand, one".