1425830 has 16 divisors (see below), whose sum is σ = 2933280. Its totient is φ = 488832.

The previous prime is 1425821. The next prime is 1425863. The reversal of 1425830 is 385241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1425796 and 1425805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10115 + ... + 10254.

It is an arithmetic number, because the mean of its divisors is an integer number (183330).

2^1425830 is an apocalyptic number.

1425830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1425830 is an abundant number, since it is smaller than the sum of its proper divisors (1507450).

1425830 is a wasteful number, since it uses less digits than its factorization.

1425830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20383.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1425830 is about 1194.0812367674. The cubic root of 1425830 is about 112.5526995893.

The spelling of 1425830 in words is "one million, four hundred twenty-five thousand, eight hundred thirty".