103428915 has 16 divisors (see below), whose sum is σ = 166447008. Its totient is φ = 54841856.

The previous prime is 103428887. The next prime is 103428929. The reversal of 103428915 is 519824301.

It is a cyclic number.

It is not a de Polignac number, because 103428915 - 2¹⁵ = 103396147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17334 + ... + 22523.

It is an arithmetic number, because the mean of its divisors is an integer number (10402938).

Almost surely, 2^103428915 is an apocalyptic number.

103428915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103428915 is a deficient number, since it is larger than the sum of its proper divisors (63018093).

103428915 is a wasteful number, since it uses less digits than its factorization.

103428915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40038.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 103428915 is about 10170.0007374631. Note that the first 3 decimals coincide. The cubic root of 103428915 is about 469.4045802494.

The spelling of 103428915 in words is "one hundred three million, four hundred twenty-eight thousand, nine hundred fifteen".