1392928025 has 12 divisors (see below), whose sum is σ = 1767400272. Its totient is φ = 1088426640.

The previous prime is 1392928007. The next prime is 1392928027. The reversal of 1392928025 is 5208292931.

It is not a de Polignac number, because 1392928025 - 2⁶ = 1392927961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1392928027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646799 + ... + 648948.

It is an arithmetic number, because the mean of its divisors is an integer number (147283356).

Almost surely, 2^1392928025 is an apocalyptic number.

It is an amenable number.

1392928025 is a deficient number, since it is larger than the sum of its proper divisors (374472247).

1392928025 is a wasteful number, since it uses less digits than its factorization.

1392928025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295800 (or 1295795 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1392928025 is about 37321.9509806227. The cubic root of 1392928025 is about 1116.8021090137.

The spelling of 1392928025 in words is "one billion, three hundred ninety-two million, nine hundred twenty-eight thousand, twenty-five".