120090521 has 4 divisors (see below), whose sum is σ = 125311872. Its totient is φ = 114869172.

The previous prime is 120090463. The next prime is 120090571. The reversal of 120090521 is 125090021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120090521 - 2⁶ = 120090457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120090493 and 120090502.

It is not an unprimeable number, because it can be changed into a prime (120090571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610641 + ... + 2610686.

It is an arithmetic number, because the mean of its divisors is an integer number (31327968).

Almost surely, 2^120090521 is an apocalyptic number.

It is an amenable number.

120090521 is a deficient number, since it is larger than the sum of its proper divisors (5221351).

120090521 is an equidigital number, since it uses as much as digits as its factorization.

120090521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221350.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 120090521 is about 10958.5820706878. The cubic root of 120090521 is about 493.3664081287.

The spelling of 120090521 in words is "one hundred twenty million, ninety thousand, five hundred twenty-one".