1285107069 has 8 divisors (see below), whose sum is σ = 1741566112. Its totient is φ = 842693040.

The previous prime is 1285107049. The next prime is 1285107071. The reversal of 1285107069 is 9607015821.

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

It is not a de Polignac number, because 1285107069 - 2⁸ = 1285106813 is a prime.

It is a super-2 number, since 2×1285107069² = 3303000357587541522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285107049) 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, 3511039 + ... + 3511404.

It is an arithmetic number, because the mean of its divisors is an integer number (217695764).

Almost surely, 2^1285107069 is an apocalyptic number.

It is an amenable number.

1285107069 is a deficient number, since it is larger than the sum of its proper divisors (456459043).

1285107069 is an equidigital number, since it uses as much as digits as its factorization.

1285107069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022507.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1285107069 is about 35848.3900475321. The cubic root of 1285107069 is about 1087.2091635004.

The spelling of 1285107069 in words is "one billion, two hundred eighty-five million, one hundred seven thousand, sixty-nine".