115220042 has 8 divisors (see below), whose sum is σ = 197520096. Its totient is φ = 49380012.

The previous prime is 115220029. The next prime is 115220057. The reversal of 115220042 is 240022511.

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

It is a self number, because there is not a number n which added to its sum of digits gives 115220042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4114988 + ... + 4115015.

It is an arithmetic number, because the mean of its divisors is an integer number (24690012).

Almost surely, 2^115220042 is an apocalyptic number.

115220042 is a deficient number, since it is larger than the sum of its proper divisors (82300054).

115220042 is an equidigital number, since it uses as much as digits as its factorization.

115220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230012.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 115220042 is about 10734.0599029445. The cubic root of 115220042 is about 486.6043754847.

Adding to 115220042 its reverse (240022511), we get a palindrome (355242553).

The spelling of 115220042 in words is "one hundred fifteen million, two hundred twenty thousand, forty-two".