1425799 has 4 divisors (see below), whose sum is σ = 1428520. Its totient is φ = 1423080.

The previous prime is 1425797. The next prime is 1425811. The reversal of 1425799 is 9975241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9975241 = 103 ⋅96847.

It is a cyclic number.

It is not a de Polignac number, because 1425799 - 2¹ = 1425797 is a prime.

It is an Ulam number.

It is a Duffinian number.

1425799 is a lucky number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 1714.

It is an arithmetic number, because the mean of its divisors is an integer number (357130).

2^1425799 is an apocalyptic number.

1425799 is a deficient number, since it is larger than the sum of its proper divisors (2721).

1425799 is an equidigital number, since it uses as much as digits as its factorization.

1425799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720.

The product of its digits is 22680, while the sum is 37.

The square root of 1425799 is about 1194.0682560055. The cubic root of 1425799 is about 112.5518838869.

The spelling of 1425799 in words is "one million, four hundred twenty-five thousand, seven hundred ninety-nine".