420103361 has 4 divisors (see below), whose sum is σ = 420153300. Its totient is φ = 420053424.

The previous prime is 420103301. The next prime is 420103373. The reversal of 420103361 is 163301024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 413878336 + 6225025 = 20344^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 420103361 - 2⁶ = 420103297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420103301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8906 + ... + 30323.

It is an arithmetic number, because the mean of its divisors is an integer number (105038325).

Almost surely, 2^420103361 is an apocalyptic number.

It is an amenable number.

420103361 is a deficient number, since it is larger than the sum of its proper divisors (49939).

420103361 is a wasteful number, since it uses less digits than its factorization.

420103361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49938.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 420103361 is about 20496.4231269751. The cubic root of 420103361 is about 748.9486668052.

Adding to 420103361 its reverse (163301024), we get a palindrome (583404385).

It can be divided in two parts, 42010 and 3361, that multiplied together give a triangular number (141195610 = T₁₆₈₀₄).

The spelling of 420103361 in words is "four hundred twenty million, one hundred three thousand, three hundred sixty-one".