1487221165 has 8 divisors (see below), whose sum is σ = 1786629888. Its totient is φ = 1188467280.

The previous prime is 1487221159. The next prime is 1487221231. The reversal of 1487221165 is 5611227841.

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

It is not a de Polignac number, because 1487221165 - 2⁵ = 1487221133 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 158697 + ... + 167806.

It is an arithmetic number, because the mean of its divisors is an integer number (223328736).

Almost surely, 2^1487221165 is an apocalyptic number.

It is an amenable number.

1487221165 is a deficient number, since it is larger than the sum of its proper divisors (299408723).

1487221165 is an equidigital number, since it uses as much as digits as its factorization.

1487221165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327419.

The product of its digits is 26880, while the sum is 37.

The square root of 1487221165 is about 38564.5065442305. The cubic root of 1487221165 is about 1141.4542753946.

The spelling of 1487221165 in words is "one billion, four hundred eighty-seven million, two hundred twenty-one thousand, one hundred sixty-five".