100103025 has 48 divisors (see below), whose sum is σ = 183345408. Its totient is φ = 47784000.

The previous prime is 100102993. The next prime is 100103053. The reversal of 100103025 is 520301001.

It is not a de Polignac number, because 100103025 - 2⁵ = 100102993 is a prime.

It is a super-2 number, since 2×100103025² = 20041231228301250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100103025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54370 + ... + 56180.

It is an arithmetic number, because the mean of its divisors is an integer number (3819696).

Almost surely, 2^100103025 is an apocalyptic number.

100103025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100103025 is a deficient number, since it is larger than the sum of its proper divisors (83242383).

100103025 is a wasteful number, since it uses less digits than its factorization.

100103025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 100103025 is about 10005.1499239142. The cubic root of 100103025 is about 464.3182285485.

Adding to 100103025 its reverse (520301001), we get a palindrome (620404026).

The spelling of 100103025 in words is "one hundred million, one hundred three thousand, twenty-five".