115503420 has 24 divisors (see below), whose sum is σ = 323409744. Its totient is φ = 30800896.

The previous prime is 115503371. The next prime is 115503449. The reversal of 115503420 is 24305511.

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, 962469 + ... + 962588.

It is an arithmetic number, because the mean of its divisors is an integer number (13475406).

Almost surely, 2^115503420 is an apocalyptic number.

115503420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115503420 is an abundant number, since it is smaller than the sum of its proper divisors (207906324).

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

115503420 is a wasteful number, since it uses less digits than its factorization.

115503420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925069 (or 1925067 counting only the distinct ones).

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

The square root of 115503420 is about 10747.2517417245. The cubic root of 115503420 is about 487.0029753566.

Adding to 115503420 its reverse (24305511), we get a palindrome (139808931).

The spelling of 115503420 in words is "one hundred fifteen million, five hundred three thousand, four hundred twenty".