1285042576 has 10 divisors (see below), whose sum is σ = 2489770022. Its totient is φ = 642521280.

The previous prime is 1285042567. The next prime is 1285042589. The reversal of 1285042576 is 6752405821.

It can be written as a sum of positive squares in only one way, i.e., 1134342400 + 150700176 = 33680^2 + 12276^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40157565 + ... + 40157596.

Almost surely, 2^1285042576 is an apocalyptic number.

1285042576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1285042576 is a deficient number, since it is larger than the sum of its proper divisors (1204727446).

1285042576 is an equidigital number, since it uses as much as digits as its factorization.

1285042576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80315169 (or 80315163 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 1285042576 is about 35847.4905118894. The cubic root of 1285042576 is about 1087.1909760266.

The spelling of 1285042576 in words is "one billion, two hundred eighty-five million, forty-two thousand, five hundred seventy-six".