42115235 has 8 divisors (see below), whose sum is σ = 50619600. Its totient is φ = 33637984.

The previous prime is 42115223. The next prime is 42115237. The reversal of 42115235 is 53251124.

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 42115235 - 2⁴ = 42115219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42115235.

It is not an unprimeable number, because it can be changed into a prime (42115237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3185 + ... + 9714.

It is an arithmetic number, because the mean of its divisors is an integer number (6327450).

Almost surely, 2^42115235 is an apocalyptic number.

42115235 is a deficient number, since it is larger than the sum of its proper divisors (8504365).

42115235 is a wasteful number, since it uses less digits than its factorization.

42115235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13557.

The product of its digits is 1200, while the sum is 23.

The square root of 42115235 is about 6489.6251817805. The cubic root of 42115235 is about 347.9202788937.

Adding to 42115235 its reverse (53251124), we get a palindrome (95366359).

The spelling of 42115235 in words is "forty-two million, one hundred fifteen thousand, two hundred thirty-five".