1320025378 has 16 divisors (see below), whose sum is σ = 2291546880. Its totient is φ = 558563616.

The previous prime is 1320025363. The next prime is 1320025379. The reversal of 1320025378 is 8735200231.

It is not an unprimeable number, because it can be changed into a prime (1320025379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595651 + ... + 597862.

It is an arithmetic number, because the mean of its divisors is an integer number (143221680).

Almost surely, 2^1320025378 is an apocalyptic number.

1320025378 is a deficient number, since it is larger than the sum of its proper divisors (971521502).

1320025378 is a wasteful number, since it uses less digits than its factorization.

1320025378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193601.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1320025378 is about 36332.1535007216. The cubic root of 1320025378 is about 1096.9683404122.

The spelling of 1320025378 in words is "one billion, three hundred twenty million, twenty-five thousand, three hundred seventy-eight".