100628415 has 12 divisors (see below), whose sum is σ = 174422664. Its totient is φ = 53668464.

The previous prime is 100628413. The next prime is 100628417. The reversal of 100628415 is 514826001.

It is an interprime number because it is at equal distance from previous prime (100628413) and next prime (100628417).

It is not a de Polignac number, because 100628415 - 2¹ = 100628413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100628413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1118049 + ... + 1118138.

It is an arithmetic number, because the mean of its divisors is an integer number (14535222).

Almost surely, 2^100628415 is an apocalyptic number.

100628415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100628415 is a deficient number, since it is larger than the sum of its proper divisors (73794249).

100628415 is a wasteful number, since it uses less digits than its factorization.

100628415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236198 (or 2236195 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 100628415 is about 10031.3715413198. The cubic root of 100628415 is about 465.1291351370.

The spelling of 100628415 in words is "one hundred million, six hundred twenty-eight thousand, four hundred fifteen".