1426425 has 96 divisors (see below), whose sum is σ = 3333120. Its totient is φ = 518400.

The previous prime is 1426393. The next prime is 1426427. The reversal of 1426425 is 5246241.

1426425 is a nontrivial binomial coefficient, being equal to C(78, 4).

It is not a de Polignac number, because 1426425 - 2⁵ = 1426393 is a prime.

1426425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1426395 and 1426404.

It is not an unprimeable number, because it can be changed into a prime (1426427) 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 95 ways as a sum of consecutive naturals, for example, 75066 + ... + 75084.

It is an arithmetic number, because the mean of its divisors is an integer number (34720).

2^1426425 is an apocalyptic number.

1426425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1426425 is an abundant number, since it is smaller than the sum of its proper divisors (1906695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1426425 is a wasteful number, since it uses less digits than its factorization.

1426425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 58 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1426425 is about 1194.3303563085. The cubic root of 1426425 is about 112.5683535226.

It can be divided in two parts, 1 and 426425, that added together give a triangular number (426426 = T₉₂₃).

The spelling of 1426425 in words is "one million, four hundred twenty-six thousand, four hundred twenty-five".