1285132711 has 8 divisors (see below), whose sum is σ = 1309912560. Its totient is φ = 1260372672.

The previous prime is 1285132699. The next prime is 1285132753. The reversal of 1285132711 is 1172315821.

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 1285132711 - 2⁵ = 1285132679 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 (1285130711) 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, 251500 + ... + 256558.

It is an arithmetic number, because the mean of its divisors is an integer number (163739070).

Almost surely, 2^1285132711 is an apocalyptic number.

1285132711 is a deficient number, since it is larger than the sum of its proper divisors (24779849).

1285132711 is an equidigital number, since it uses as much as digits as its factorization.

1285132711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905.

The product of its digits is 3360, while the sum is 31.

The square root of 1285132711 is about 35848.7476908190. The cubic root of 1285132711 is about 1087.2163945534.

The spelling of 1285132711 in words is "one billion, two hundred eighty-five million, one hundred thirty-two thousand, seven hundred eleven".