102628355 has 4 divisors (see below), whose sum is σ = 123154032. Its totient is φ = 82102680.

The previous prime is 102628349. The next prime is 102628363. The reversal of 102628355 is 553826201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102628355 - 2¹⁰ = 102627331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10262831 + ... + 10262840.

It is an arithmetic number, because the mean of its divisors is an integer number (30788508).

Almost surely, 2^102628355 is an apocalyptic number.

102628355 is a deficient number, since it is larger than the sum of its proper divisors (20525677).

102628355 is an equidigital number, since it uses as much as digits as its factorization.

102628355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20525676.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 102628355 is about 10130.5653840247. The cubic root of 102628355 is about 468.1903476682.

The spelling of 102628355 in words is "one hundred two million, six hundred twenty-eight thousand, three hundred fifty-five".