120720525 has 24 divisors (see below), whose sum is σ = 202870944. Its totient is φ = 63326400.

The previous prime is 120720521. The next prime is 120720539. The reversal of 120720525 is 525027021.

It is not a de Polignac number, because 120720525 - 2² = 120720521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120720495 and 120720504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120720521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8619 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (8452956).

Almost surely, 2^120720525 is an apocalyptic number.

120720525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120720525 is a deficient number, since it is larger than the sum of its proper divisors (82150419).

120720525 is a wasteful number, since it uses less digits than its factorization.

120720525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26461 (or 26456 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 120720525 is about 10987.2892471255. The cubic root of 120720525 is about 494.2276497244.

Adding to 120720525 its reverse (525027021), we get a palindrome (645747546).

The spelling of 120720525 in words is "one hundred twenty million, seven hundred twenty thousand, five hundred twenty-five".