1392027128 has 16 divisors (see below), whose sum is σ = 2610447000. Its totient is φ = 695907936.

The previous prime is 1392027127. The next prime is 1392027151. The reversal of 1392027128 is 8217202931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392027127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94058 + ... + 107846.

Almost surely, 2^1392027128 is an apocalyptic number.

It is an amenable number.

1392027128 is a deficient number, since it is larger than the sum of its proper divisors (1218419872).

1392027128 is a wasteful number, since it uses less digits than its factorization.

1392027128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26414 (or 26410 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1392027128 is about 37309.8797639446. The cubic root of 1392027128 is about 1116.5612876078.

The spelling of 1392027128 in words is "one billion, three hundred ninety-two million, twenty-seven thousand, one hundred twenty-eight".