103028805 has 24 divisors (see below), whose sum is σ = 194819040. Its totient is φ = 49953120.

The previous prime is 103028801. The next prime is 103028819. The reversal of 103028805 is 508820301.

It is a happy number.

It is not a de Polignac number, because 103028805 - 2² = 103028801 is a prime.

It is a super-2 number, since 2×103028805² = 21229869319456050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103028801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103575 + ... + 104564.

It is an arithmetic number, because the mean of its divisors is an integer number (8117460).

Almost surely, 2^103028805 is an apocalyptic number.

103028805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103028805 is a deficient number, since it is larger than the sum of its proper divisors (91790235).

103028805 is a wasteful number, since it uses less digits than its factorization.

103028805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208161 (or 208158 counting only the distinct ones).

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

The square root of 103028805 is about 10150.3105863811. The cubic root of 103028805 is about 468.7985080467.

The spelling of 103028805 in words is "one hundred three million, twenty-eight thousand, eight hundred five".