1426128 has 80 divisors (see below), whose sum is σ = 4184256. Its totient is φ = 414720.

The previous prime is 1426127. The next prime is 1426129. The reversal of 1426128 is 8216241.

It is an interprime number because it is at equal distance from previous prime (1426127) and next prime (1426129).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1426098 and 1426107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19500 + ... + 19572.

2^1426128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092128).

1426128 is an abundant number, since it is smaller than the sum of its proper divisors (2758128).

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

1426128 is a wasteful number, since it uses less digits than its factorization.

1426128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 126 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1426128 is about 1194.2060123781. The cubic root of 1426128 is about 112.5605402548.

The spelling of 1426128 in words is "one million, four hundred twenty-six thousand, one hundred twenty-eight".