1042188115 has 8 divisors (see below), whose sum is σ = 1256975280. Its totient is φ = 829517472.

The previous prime is 1042188113. The next prime is 1042188211. The reversal of 1042188115 is 5118812401.

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 1042188115 - 2¹ = 1042188113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042188113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528045 + ... + 530014.

It is an arithmetic number, because the mean of its divisors is an integer number (157121910).

Almost surely, 2^1042188115 is an apocalyptic number.

1042188115 is a deficient number, since it is larger than the sum of its proper divisors (214787165).

1042188115 is a wasteful number, since it uses less digits than its factorization.

1042188115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058261.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 1042188115 is about 32282.9384505190. The cubic root of 1042188115 is about 1013.8694539302.

The spelling of 1042188115 in words is "one billion, forty-two million, one hundred eighty-eight thousand, one hundred fifteen".