120529040 has 20 divisors (see below), whose sum is σ = 280230204. Its totient is φ = 48211584.

The previous prime is 120529037. The next prime is 120529063. The reversal of 120529040 is 40925021.

It can be written as a sum of positive squares in 2 ways, for example, as 58308496 + 62220544 = 7636^2 + 7888^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 120528997 and 120529015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753227 + ... + 753386.

Almost surely, 2^120529040 is an apocalyptic number.

120529040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120529040 is an abundant number, since it is smaller than the sum of its proper divisors (159701164).

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

120529040 is a wasteful number, since it uses less digits than its factorization.

120529040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506626 (or 1506620 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 120529040 is about 10978.5718561204. The cubic root of 120529040 is about 493.9661993953.

The spelling of 120529040 in words is "one hundred twenty million, five hundred twenty-nine thousand, forty".