100620628 has 6 divisors (see below), whose sum is σ = 176086106. Its totient is φ = 50310312.

The previous prime is 100620617. The next prime is 100620643. The reversal of 100620628 is 826026001.

It can be written as a sum of positive squares in only one way, i.e., 60652944 + 39967684 = 7788^2 + 6322^2 .

It is a super-2 number, since 2×100620628² = 20249021558228768, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12577575 + ... + 12577582.

Almost surely, 2^100620628 is an apocalyptic number.

It is an amenable number.

100620628 is a deficient number, since it is larger than the sum of its proper divisors (75465478).

100620628 is a wasteful number, since it uses less digits than its factorization.

100620628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25155161 (or 25155159 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 100620628 is about 10030.9834014418. The cubic root of 100620628 is about 465.1171370216.

Adding to 100620628 its reverse (826026001), we get a palindrome (926646629).

The spelling of 100620628 in words is "one hundred million, six hundred twenty thousand, six hundred twenty-eight".