120432587 has 8 divisors (see below), whose sum is σ = 131606832. Its totient is φ = 109296000.

The previous prime is 120432569. The next prime is 120432619. The reversal of 120432587 is 785234021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120432587 - 2¹² = 120428491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120432517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498 + ... + 15719.

It is an arithmetic number, because the mean of its divisors is an integer number (16450854).

Almost surely, 2^120432587 is an apocalyptic number.

120432587 is a deficient number, since it is larger than the sum of its proper divisors (11174245).

120432587 is a wasteful number, since it uses less digits than its factorization.

120432587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18829.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 120432587 is about 10974.1781924662. The cubic root of 120432587 is about 493.8343992454.

The spelling of 120432587 in words is "one hundred twenty million, four hundred thirty-two thousand, five hundred eighty-seven".