103120280427 has 4 divisors (see below), whose sum is σ = 137493707240. Its totient is φ = 68746853616.

The previous prime is 103120280383. The next prime is 103120280441. The reversal of 103120280427 is 724082021301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103120280427 - 2²⁸ = 102851844971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103120280394 and 103120280403.

It is not an unprimeable number, because it can be changed into a prime (103120280227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17186713402 + ... + 17186713407.

It is an arithmetic number, because the mean of its divisors is an integer number (34373426810).

Almost surely, 2^103120280427 is an apocalyptic number.

103120280427 is a deficient number, since it is larger than the sum of its proper divisors (34373426813).

103120280427 is an equidigital number, since it uses as much as digits as its factorization.

103120280427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34373426812.

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 103120280427 in words is "one hundred three billion, one hundred twenty million, two hundred eighty thousand, four hundred twenty-seven".