1489117087 has 4 divisors (see below), whose sum is σ = 1494612256. Its totient is φ = 1483621920.

The previous prime is 1489117079. The next prime is 1489117103. The reversal of 1489117087 is 7807119841.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1489117087 - 2³ = 1489117079 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 (1489117067) 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 3 ways as a sum of consecutive naturals, for example, 2747178 + ... + 2747719.

It is an arithmetic number, because the mean of its divisors is an integer number (373653064).

Almost surely, 2^1489117087 is an apocalyptic number.

1489117087 is a deficient number, since it is larger than the sum of its proper divisors (5495169).

1489117087 is an equidigital number, since it uses as much as digits as its factorization.

1489117087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5495168.

The product of its (nonzero) digits is 112896, while the sum is 46.

The square root of 1489117087 is about 38589.0798931511. The cubic root of 1489117087 is about 1141.9391145848.

The spelling of 1489117087 in words is "one billion, four hundred eighty-nine million, one hundred seventeen thousand, eighty-seven".