120352405 has 4 divisors (see below), whose sum is σ = 144422892. Its totient is φ = 96281920.

The previous prime is 120352381. The next prime is 120352409. The reversal of 120352405 is 504253021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54774801 + 65577604 = 7401^2 + 8098^2 .

It is not a de Polignac number, because 120352405 - 2⁷ = 120352277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120352409) 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, 12035236 + ... + 12035245.

It is an arithmetic number, because the mean of its divisors is an integer number (36105723).

Almost surely, 2^120352405 is an apocalyptic number.

It is an amenable number.

120352405 is a deficient number, since it is larger than the sum of its proper divisors (24070487).

120352405 is an equidigital number, since it uses as much as digits as its factorization.

120352405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24070486.

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

The square root of 120352405 is about 10970.5243721529. The cubic root of 120352405 is about 493.7247793559.

The spelling of 120352405 in words is "one hundred twenty million, three hundred fifty-two thousand, four hundred five".