103420055 has 4 divisors (see below), whose sum is σ = 124104072. Its totient is φ = 82736040.

The previous prime is 103420043. The next prime is 103420073. The reversal of 103420055 is 550024301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550024301 = 53 ⋅10377817.

It is not a de Polignac number, because 103420055 - 2⁶ = 103419991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10342001 + ... + 10342010.

It is an arithmetic number, because the mean of its divisors is an integer number (31026018).

Almost surely, 2^103420055 is an apocalyptic number.

103420055 is a deficient number, since it is larger than the sum of its proper divisors (20684017).

103420055 is an equidigital number, since it uses as much as digits as its factorization.

103420055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20684016.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 103420055 is about 10169.5651332788. The cubic root of 103420055 is about 469.3911763789.

Adding to 103420055 its reverse (550024301), we get a palindrome (653444356).

The spelling of 103420055 in words is "one hundred three million, four hundred twenty thousand, fifty-five".