120032505 has 24 divisors (see below), whose sum is σ = 208683072. Its totient is φ = 63824544.

The previous prime is 120032489. The next prime is 120032569. The reversal of 120032505 is 505230021.

It is a happy number.

It is not a de Polignac number, because 120032505 - 2⁴ = 120032489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11772 + ... + 19458.

It is an arithmetic number, because the mean of its divisors is an integer number (8695128).

Almost surely, 2^120032505 is an apocalyptic number.

120032505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120032505 is a deficient number, since it is larger than the sum of its proper divisors (88650567).

120032505 is a wasteful number, since it uses less digits than its factorization.

120032505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8042 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 120032505 is about 10955.9346931241. The cubic root of 120032505 is about 493.2869465252.

Adding to 120032505 its reverse (505230021), we get a palindrome (625262526).

The spelling of 120032505 in words is "one hundred twenty million, thirty-two thousand, five hundred five".