103428907 has 4 divisors (see below), whose sum is σ = 107925840. Its totient is φ = 98931976.

The previous prime is 103428887. The next prime is 103428929. The reversal of 103428907 is 709824301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709824301 = 13267 ⋅53503.

It is a cyclic number.

It is not a de Polignac number, because 103428907 - 2¹¹ = 103426859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103428967) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2248432 + ... + 2248477.

It is an arithmetic number, because the mean of its divisors is an integer number (26981460).

Almost surely, 2^103428907 is an apocalyptic number.

103428907 is a deficient number, since it is larger than the sum of its proper divisors (4496933).

103428907 is an equidigital number, since it uses as much as digits as its factorization.

103428907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496932.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 103428907 is about 10170.0003441495. Note that the first 3 decimals coincide. The cubic root of 103428907 is about 469.4045681470.

The spelling of 103428907 in words is "one hundred three million, four hundred twenty-eight thousand, nine hundred seven".