42115099 has 8 divisors (see below), whose sum is σ = 45405360. Its totient is φ = 38832096.

The previous prime is 42115097. The next prime is 42115121. The reversal of 42115099 is 99051124.

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 42115099 - 2¹ = 42115097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42115099.

It is not an unprimeable number, because it can be changed into a prime (42115097) 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, 20292 + ... + 22270.

It is an arithmetic number, because the mean of its divisors is an integer number (5675670).

Almost surely, 2^42115099 is an apocalyptic number.

42115099 is a deficient number, since it is larger than the sum of its proper divisors (3290261).

42115099 is a wasteful number, since it uses less digits than its factorization.

42115099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 42115099 is about 6489.6147035090. The cubic root of 42115099 is about 347.9199043878.

The spelling of 42115099 in words is "forty-two million, one hundred fifteen thousand, ninety-nine".