1285471160 has 32 divisors (see below), whose sum is σ = 2922136560. Its totient is φ = 508886016.

The previous prime is 1285471151. The next prime is 1285471177. The reversal of 1285471160 is 611745821.

It is a super-2 number, since 2×1285471160² = 3304872206383491200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1285471160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161774 + ... + 169533.

Almost surely, 2^1285471160 is an apocalyptic number.

1285471160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1285471160 is an abundant number, since it is smaller than the sum of its proper divisors (1636665400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1285471160 is a wasteful number, since it uses less digits than its factorization.

1285471160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331415 (or 331411 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1285471160 is about 35853.4678936362. The cubic root of 1285471160 is about 1087.3118282781.

The spelling of 1285471160 in words is "one billion, two hundred eighty-five million, four hundred seventy-one thousand, one hundred sixty".