120522540 has 24 divisors (see below), whose sum is σ = 337463280. Its totient is φ = 32139328.

The previous prime is 120522539. The next prime is 120522541. The reversal of 120522540 is 45225021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120522539) and next prime (120522541).

It is not an unprimeable number, because it can be changed into a prime (120522541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004295 + ... + 1004414.

It is an arithmetic number, because the mean of its divisors is an integer number (14060970).

Almost surely, 2^120522540 is an apocalyptic number.

120522540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120522540 is an abundant number, since it is smaller than the sum of its proper divisors (216940740).

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

120522540 is a wasteful number, since it uses less digits than its factorization.

120522540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008721 (or 2008719 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 120522540 is about 10978.2758209110. The cubic root of 120522540 is about 493.9573195491.

Adding to 120522540 its reverse (45225021), we get a palindrome (165747561).

The spelling of 120522540 in words is "one hundred twenty million, five hundred twenty-two thousand, five hundred forty".