1278085232 has 10 divisors (see below), whose sum is σ = 2476290168. Its totient is φ = 639042608.

The previous prime is 1278085219. The next prime is 1278085283. The reversal of 1278085232 is 2325808721.

It is a congruent number.

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, 39940148 + ... + 39940179.

Almost surely, 2^1278085232 is an apocalyptic number.

It is an amenable number.

1278085232 is a deficient number, since it is larger than the sum of its proper divisors (1198204936).

1278085232 is an equidigital number, since it uses as much as digits as its factorization.

1278085232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79880335 (or 79880329 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1278085232 is about 35750.3179286562. The cubic root of 1278085232 is about 1085.2253722832.

The spelling of 1278085232 in words is "one billion, two hundred seventy-eight million, eighty-five thousand, two hundred thirty-two".