105204628 has 6 divisors (see below), whose sum is σ = 184108106. Its totient is φ = 52602312.

The previous prime is 105204623. The next prime is 105204637. The reversal of 105204628 is 826402501.

It can be written as a sum of positive squares in only one way, i.e., 105103504 + 101124 = 10252^2 + 318^2 .

It is a super-2 number, since 2×105204628² = 22136027505236768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105204596 and 105204605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105204623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13150575 + ... + 13150582.

Almost surely, 2^105204628 is an apocalyptic number.

It is an amenable number.

105204628 is a deficient number, since it is larger than the sum of its proper divisors (78903478).

105204628 is a wasteful number, since it uses less digits than its factorization.

105204628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301161 (or 26301159 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 105204628 is about 10256.9307299991. The cubic root of 105204628 is about 472.0756665535.

The spelling of 105204628 in words is "one hundred five million, two hundred four thousand, six hundred twenty-eight".