1286066407 has 8 divisors (see below), whose sum is σ = 1309227392. Its totient is φ = 1263022200.

The previous prime is 1286066401. The next prime is 1286066429. The reversal of 1286066407 is 7046606821.

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 1286066407 - 2³ = 1286066399 is a prime.

It is a super-3 number, since 3×1286066407³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1286066407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286066401) 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, 6819 + ... + 51172.

It is an arithmetic number, because the mean of its divisors is an integer number (163653424).

Almost surely, 2^1286066407 is an apocalyptic number.

1286066407 is a deficient number, since it is larger than the sum of its proper divisors (23160985).

1286066407 is an equidigital number, since it uses as much as digits as its factorization.

1286066407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58389.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1286066407 is about 35861.7680406307. The cubic root of 1286066407 is about 1087.4796316615.

The spelling of 1286066407 in words is "one billion, two hundred eighty-six million, sixty-six thousand, four hundred seven".