42101203 has 2 divisors, whose sum is σ = 42101204. Its totient is φ = 42101202.

The previous prime is 42101177. The next prime is 42101209. The reversal of 42101203 is 30210124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42101203 - 2¹³ = 42093011 is a prime.

It is a super-2 number, since 2×42101203² = 3545022588094418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42101209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21050601 + 21050602.

It is an arithmetic number, because the mean of its divisors is an integer number (21050602).

Almost surely, 2^42101203 is an apocalyptic number.

42101203 is a deficient number, since it is larger than the sum of its proper divisors (1).

42101203 is an equidigital number, since it uses as much as digits as its factorization.

42101203 is an evil number, because the sum of its binary digits is even.

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

The square root of 42101203 is about 6488.5439815108. The cubic root of 42101203 is about 347.8816344486.

Adding to 42101203 its reverse (30210124), we get a palindrome (72311327).

The spelling of 42101203 in words is "forty-two million, one hundred one thousand, two hundred three".