120453520 has 40 divisors (see below), whose sum is σ = 305516160. Its totient is φ = 43800960.

The previous prime is 120453503. The next prime is 120453539. The reversal of 120453520 is 25354021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 120453491 and 120453500.

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, 67560 + ... + 69319.

It is an arithmetic number, because the mean of its divisors is an integer number (7637904).

Almost surely, 2^120453520 is an apocalyptic number.

120453520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120453520 is an abundant number, since it is smaller than the sum of its proper divisors (185062640).

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

120453520 is a wasteful number, since it uses less digits than its factorization.

120453520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136903 (or 136897 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 120453520 is about 10975.1318898681. The cubic root of 120453520 is about 493.8630095434.

The spelling of 120453520 in words is "one hundred twenty million, four hundred fifty-three thousand, five hundred twenty".