100260621 has 24 divisors (see below), whose sum is σ = 149333184. Its totient is φ = 64779840.

The previous prime is 100260619. The next prime is 100260631. The reversal of 100260621 is 126062001.

100260621 = 1065² + 1066² + ... + 1146².

It is a happy number.

It is not a de Polignac number, because 100260621 - 2¹ = 100260619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100260594 and 100260603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100260631) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 60810 + ... + 62436.

It is an arithmetic number, because the mean of its divisors is an integer number (6222216).

Almost surely, 2^100260621 is an apocalyptic number.

It is an amenable number.

100260621 is a deficient number, since it is larger than the sum of its proper divisors (49072563).

100260621 is a wasteful number, since it uses less digits than its factorization.

100260621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100260621 is about 10013.0225706327. The cubic root of 100260621 is about 464.5617654064.

The spelling of 100260621 in words is "one hundred million, two hundred sixty thousand, six hundred twenty-one".