1285160876 has 12 divisors (see below), whose sum is σ = 2249319408. Its totient is φ = 642498192.

The previous prime is 1285160873. The next prime is 1285160911. The reversal of 1285160876 is 6780615821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1285160873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26630 + ... + 57266.

It is an arithmetic number, because the mean of its divisors is an integer number (187443284).

Almost surely, 2^1285160876 is an apocalyptic number.

It is an amenable number.

1285160876 is a deficient number, since it is larger than the sum of its proper divisors (964158532).

1285160876 is a wasteful number, since it uses less digits than its factorization.

1285160876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41128 (or 41126 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 1285160876 is about 35849.1405196833. The cubic root of 1285160876 is about 1087.2243369825.

The spelling of 1285160876 in words is "one billion, two hundred eighty-five million, one hundred sixty thousand, eight hundred seventy-six".