42203135 has 8 divisors (see below), whose sum is σ = 54539520. Its totient is φ = 31165344.

The previous prime is 42203131. The next prime is 42203171. The reversal of 42203135 is 53130224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42203135 - 2² = 42203131 is a prime.

It is a super-2 number, since 2×42203135² = 3562209207656450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324575 + ... + 324704.

It is an arithmetic number, because the mean of its divisors is an integer number (6817440).

Almost surely, 2^42203135 is an apocalyptic number.

42203135 is a deficient number, since it is larger than the sum of its proper divisors (12336385).

42203135 is a wasteful number, since it uses less digits than its factorization.

42203135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649297.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42203135 is about 6496.3939997509. The cubic root of 42203135 is about 348.1621623895.

Adding to 42203135 its reverse (53130224), we get a palindrome (95333359).

The spelling of 42203135 in words is "forty-two million, two hundred three thousand, one hundred thirty-five".