1287479607 has 16 divisors (see below), whose sum is σ = 1745583840. Its totient is φ = 843955200.

The previous prime is 1287479593. The next prime is 1287479701. The reversal of 1287479607 is 7069747821.

It is not a de Polignac number, because 1287479607 - 2⁴ = 1287479591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1287479607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1287479107) 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 15 ways as a sum of consecutive naturals, for example, 35007 + ... + 61647.

It is an arithmetic number, because the mean of its divisors is an integer number (109098990).

Almost surely, 2^1287479607 is an apocalyptic number.

1287479607 is a deficient number, since it is larger than the sum of its proper divisors (458104233).

1287479607 is a wasteful number, since it uses less digits than its factorization.

1287479607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26914.

The product of its (nonzero) digits is 1185408, while the sum is 51.

The square root of 1287479607 is about 35881.4660653658. The cubic root of 1287479607 is about 1087.8778131847.

The spelling of 1287479607 in words is "one billion, two hundred eighty-seven million, four hundred seventy-nine thousand, six hundred seven".