115520042 has 32 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 50617600.

The previous prime is 115520033. The next prime is 115520051. The reversal of 115520042 is 240025511.

It is an interprime number because it is at equal distance from previous prime (115520033) and next prime (115520051).

It is a super-3 number, since 3×115520042³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115519996 and 115520023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79559 + ... + 80997.

It is an arithmetic number, because the mean of its divisors is an integer number (6123600).

Almost surely, 2^115520042 is an apocalyptic number.

115520042 is a deficient number, since it is larger than the sum of its proper divisors (80435158).

115520042 is a wasteful number, since it uses less digits than its factorization.

115520042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 115520042 is about 10748.0250278830. The cubic root of 115520042 is about 487.0263356322.

Adding to 115520042 its reverse (240025511), we get a palindrome (355545553).

The spelling of 115520042 in words is "one hundred fifteen million, five hundred twenty thousand, forty-two".