103420403225 has 6 divisors (see below), whose sum is σ = 128241300030. Its totient is φ = 82736322560.

The previous prime is 103420403189. The next prime is 103420403249. The reversal of 103420403225 is 522304024301.

It can be written as a sum of positive squares in 3 ways, for example, as 32896165129 + 70524238096 = 181373^2 + 265564^2 .

It is not a de Polignac number, because 103420403225 - 2¹⁰ = 103420402201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103420403194 and 103420403203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2068408040 + ... + 2068408089.

It is an arithmetic number, because the mean of its divisors is an integer number (21373550005).

Almost surely, 2^103420403225 is an apocalyptic number.

It is an amenable number.

103420403225 is a deficient number, since it is larger than the sum of its proper divisors (24820896805).

103420403225 is an equidigital number, since it uses as much as digits as its factorization.

103420403225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136816139 (or 4136816134 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 103420403225 its reverse (522304024301), we get a palindrome (625724427526).

The spelling of 103420403225 in words is "one hundred three billion, four hundred twenty million, four hundred three thousand, two hundred twenty-five".