10107621 has 12 divisors (see below), whose sum is σ = 14653548. Its totient is φ = 6713664.

The previous prime is 10107619. The next prime is 10107637. The reversal of 10107621 is 12670101.

It can be written as a sum of positive squares in 2 ways, for example, as 6305121 + 3802500 = 2511^2 + 1950^2 .

It is not a de Polignac number, because 10107621 - 2¹ = 10107619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10107594 and 10107603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10107611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721 + ... + 4553.

It is an arithmetic number, because the mean of its divisors is an integer number (1221129).

Almost surely, 2^10107621 is an apocalyptic number.

It is an amenable number.

10107621 is a deficient number, since it is larger than the sum of its proper divisors (4545927).

10107621 is a wasteful number, since it uses less digits than its factorization.

10107621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132 (or 4129 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 10107621 is about 3179.2484961072. The cubic root of 10107621 is about 216.2135875966.

Adding to 10107621 its reverse (12670101), we get a palindrome (22777722).

The spelling of 10107621 in words is "ten million, one hundred seven thousand, six hundred twenty-one".