120663587 has 8 divisors (see below), whose sum is σ = 132065472. Its totient is φ = 109333800.

The previous prime is 120663581. The next prime is 120663593. The reversal of 120663587 is 785366021.

It is an interprime number because it is at equal distance from previous prime (120663581) and next prime (120663593).

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

It is a cyclic number.

It is not a de Polignac number, because 120663587 - 2¹² = 120659491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120663587.

It is not an unprimeable number, because it can be changed into a prime (120663581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14489 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (16508184).

Almost surely, 2^120663587 is an apocalyptic number.

120663587 is a deficient number, since it is larger than the sum of its proper divisors (11401885).

120663587 is a wasteful number, since it uses less digits than its factorization.

120663587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36049.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 120663587 is about 10984.6978565639. The cubic root of 120663587 is about 494.1499364573.

The spelling of 120663587 in words is "one hundred twenty million, six hundred sixty-three thousand, five hundred eighty-seven".