115520372 has 24 divisors (see below), whose sum is σ = 233513280. Its totient is φ = 49420160.

The previous prime is 115520359. The next prime is 115520381. The reversal of 115520372 is 273025511.

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, 76472 + ... + 77967.

It is an arithmetic number, because the mean of its divisors is an integer number (9729720).

Almost surely, 2^115520372 is an apocalyptic number.

It is an amenable number.

115520372 is an abundant number, since it is smaller than the sum of its proper divisors (117992908).

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

115520372 is a wasteful number, since it uses less digits than its factorization.

115520372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154471 (or 154469 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 115520372 is about 10748.0403795297. The cubic root of 115520372 is about 487.0267993859.

Adding to 115520372 its reverse (273025511), we get a palindrome (388545883).

The spelling of 115520372 in words is "one hundred fifteen million, five hundred twenty thousand, three hundred seventy-two".