1327015428 has 24 divisors (see below), whose sum is σ = 3118974432. Its totient is φ = 439109184.

The previous prime is 1327015409. The next prime is 1327015439. The reversal of 1327015428 is 8245107231.

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, 401950 + ... + 405237.

It is an arithmetic number, because the mean of its divisors is an integer number (129957268).

Almost surely, 2^1327015428 is an apocalyptic number.

It is an amenable number.

1327015428 is an abundant number, since it is smaller than the sum of its proper divisors (1791959004).

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

1327015428 is a wasteful number, since it uses less digits than its factorization.

1327015428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807331 (or 807329 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1327015428 is about 36428.2229596778. Note that the first 3 decimals coincide. The cubic root of 1327015428 is about 1098.9012245763.

The spelling of 1327015428 in words is "one billion, three hundred twenty-seven million, fifteen thousand, four hundred twenty-eight".