115530420 has 24 divisors (see below), whose sum is σ = 323485344. Its totient is φ = 30808096.

The previous prime is 115530367. The next prime is 115530473. The reversal of 115530420 is 24035511.

It is an interprime number because it is at equal distance from previous prime (115530367) and next prime (115530473).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962694 + ... + 962813.

It is an arithmetic number, because the mean of its divisors is an integer number (13478556).

Almost surely, 2^115530420 is an apocalyptic number.

115530420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115530420 is an abundant number, since it is smaller than the sum of its proper divisors (207954924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115530420 is a wasteful number, since it uses less digits than its factorization.

115530420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925519 (or 1925517 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 115530420 is about 10748.5078034116. The cubic root of 115530420 is about 487.0409195603.

Adding to 115530420 its reverse (24035511), we get a palindrome (139565931).

The spelling of 115530420 in words is "one hundred fifteen million, five hundred thirty thousand, four hundred twenty".