100102626 has 24 divisors (see below), whose sum is σ = 233573340. Its totient is φ = 30800736.

The previous prime is 100102619. The next prime is 100102631. The reversal of 100102626 is 626201001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100100025 + 2601 = 10005^2 + 51^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100102599 and 100102608.

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 11 ways as a sum of consecutive naturals, for example, 213661 + ... + 214128.

Almost surely, 2^100102626 is an apocalyptic number.

100102626 is an abundant number, since it is smaller than the sum of its proper divisors (133470714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100102626 is a wasteful number, since it uses less digits than its factorization.

100102626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427810 (or 427807 counting only the distinct ones).

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

The square root of 100102626 is about 10005.1299841631. The cubic root of 100102626 is about 464.3176116400.

Adding to 100102626 its reverse (626201001), we get a palindrome (726303627).

The spelling of 100102626 in words is "one hundred million, one hundred two thousand, six hundred twenty-six".