115503122 has 16 divisors (see below), whose sum is σ = 203357760. Its totient is φ = 48163248.

The previous prime is 115503121. The next prime is 115503127. The reversal of 115503122 is 221305511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115503094 and 115503103.

It is not an unprimeable number, because it can be changed into a prime (115503121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110972 + ... + 112007.

It is an arithmetic number, because the mean of its divisors is an integer number (12709860).

Almost surely, 2^115503122 is an apocalyptic number.

115503122 is a deficient number, since it is larger than the sum of its proper divisors (87854638).

115503122 is a wasteful number, since it uses less digits than its factorization.

115503122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223025.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 115503122 is about 10747.2378777061. The cubic root of 115503122 is about 487.0025565321.

Adding to 115503122 its reverse (221305511), we get a palindrome (336808633).

The spelling of 115503122 in words is "one hundred fifteen million, five hundred three thousand, one hundred twenty-two".