1025456 has 10 divisors (see below), whose sum is σ = 1986852. Its totient is φ = 512720.

The previous prime is 1025443. The next prime is 1025459. The reversal of 1025456 is 6545201.

It is not an unprimeable number, because it can be changed into a prime (1025459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32030 + ... + 32061.

2^1025456 is an apocalyptic number.

1025456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1025456 is a deficient number, since it is larger than the sum of its proper divisors (961396).

1025456 is an equidigital number, since it uses as much as digits as its factorization.

1025456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64099 (or 64093 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1025456 is about 1012.6480138725. The cubic root of 1025456 is about 100.8414333740.

The spelling of 1025456 in words is "one million, twenty-five thousand, four hundred fifty-six".