102538628 has 12 divisors (see below), whose sum is σ = 189998172. Its totient is φ = 48253440.

The previous prime is 102538523. The next prime is 102538651. The reversal of 102538628 is 826835201.

It can be written as a sum of positive squares in 2 ways, for example, as 72046144 + 30492484 = 8488^2 + 5522^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 753893 + ... + 754028.

It is an arithmetic number, because the mean of its divisors is an integer number (15833181).

Almost surely, 2^102538628 is an apocalyptic number.

It is an amenable number.

102538628 is a deficient number, since it is larger than the sum of its proper divisors (87459544).

102538628 is a wasteful number, since it uses less digits than its factorization.

102538628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507942 (or 1507940 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 102538628 is about 10126.1358869018. The cubic root of 102538628 is about 468.0538630873.

It can be divided in two parts, 10253 and 8628, that added together give a palindrome (18881).

The spelling of 102538628 in words is "one hundred two million, five hundred thirty-eight thousand, six hundred twenty-eight".