1025426 has 4 divisors (see below), whose sum is σ = 1538142. Its totient is φ = 512712.

The previous prime is 1025419. The next prime is 1025443. The reversal of 1025426 is 6245201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 361201 = 815^2 + 601^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1025398 and 1025407.

It is an unprimeable number.

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, 256355 + ... + 256358.

2^1025426 is an apocalyptic number.

1025426 is a deficient number, since it is larger than the sum of its proper divisors (512716).

1025426 is an equidigital number, since it uses as much as digits as its factorization.

1025426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512715.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1025426 is about 1012.6332011148. The cubic root of 1025426 is about 100.8404499830.

The spelling of 1025426 in words is "one million, twenty-five thousand, four hundred twenty-six".