42103201 has 6 divisors (see below), whose sum is σ = 48977250. Its totient is φ = 36088416.

The previous prime is 42103199. The next prime is 42103219. The reversal of 42103201 is 10230124.

It can be written as a sum of positive squares in only one way, i.e., 30813601 + 11289600 = 5551^2 + 3360^2 .

It is not a de Polignac number, because 42103201 - 2¹ = 42103199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42103231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 429576 + ... + 429673.

It is an arithmetic number, because the mean of its divisors is an integer number (8162875).

Almost surely, 2^42103201 is an apocalyptic number.

It is an amenable number.

42103201 is a deficient number, since it is larger than the sum of its proper divisors (6874049).

42103201 is an equidigital number, since it uses as much as digits as its factorization.

42103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859263 (or 859256 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42103201 is about 6488.6979433473. The cubic root of 42103201 is about 347.8871375100.

Adding to 42103201 its reverse (10230124), we get a palindrome (52333325).

The spelling of 42103201 in words is "forty-two million, one hundred three thousand, two hundred one".