1920078425 has 12 divisors (see below), whose sum is σ = 2409585360. Its totient is φ = 1517554320.

The previous prime is 1920078409. The next prime is 1920078437. The reversal of 1920078425 is 5248700291.

It is not a de Polignac number, because 1920078425 - 2⁴ = 1920078409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460595 + ... + 464744.

It is an arithmetic number, because the mean of its divisors is an integer number (200798780).

Almost surely, 2^1920078425 is an apocalyptic number.

It is an amenable number.

1920078425 is a deficient number, since it is larger than the sum of its proper divisors (489506935).

1920078425 is an equidigital number, since it uses as much as digits as its factorization.

1920078425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925432 (or 925427 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1920078425 is about 43818.6994900579. The cubic root of 1920078425 is about 1242.9099247004.

The spelling of 1920078425 in words is "one billion, nine hundred twenty million, seventy-eight thousand, four hundred twenty-five".