1285852411 has 8 divisors (see below), whose sum is σ = 1291567104. Its totient is φ = 1280150760.

The previous prime is 1285852391. The next prime is 1285852423. The reversal of 1285852411 is 1142585821.

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 1285852411 - 2²⁷ = 1151634683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1285850411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229716 + ... + 235246.

It is an arithmetic number, because the mean of its divisors is an integer number (161445888).

Almost surely, 2^1285852411 is an apocalyptic number.

1285852411 is a deficient number, since it is larger than the sum of its proper divisors (5714693).

1285852411 is an equidigital number, since it uses as much as digits as its factorization.

1285852411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521.

The product of its digits is 25600, while the sum is 37.

The square root of 1285852411 is about 35858.7842933918. The cubic root of 1285852411 is about 1087.4193109816.

The spelling of 1285852411 in words is "one billion, two hundred eighty-five million, eight hundred fifty-two thousand, four hundred eleven".