1427045 has 8 divisors (see below), whose sum is σ = 1720440. Its totient is φ = 1136320.

The previous prime is 1427039. The next prime is 1427047. The reversal of 1427045 is 5407241.

It can be written as a sum of positive squares in 4 ways, for example, as 27556 + 1399489 = 166^2 + 1183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1427045 - 2⁶ = 1426981 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 4³ + 2¹⁹ + 7⁷ + 0 + 4⁵ + 5⁷ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1427045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427047) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 815 + ... + 1875.

It is an arithmetic number, because the mean of its divisors is an integer number (215055).

2^1427045 is an apocalyptic number.

It is an amenable number.

1427045 is a deficient number, since it is larger than the sum of its proper divisors (293395).

1427045 is a wasteful number, since it uses less digits than its factorization.

1427045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1427045 is about 1194.5898877858. The cubic root of 1427045 is about 112.5846605535.

The spelling of 1427045 in words is "one million, four hundred twenty-seven thousand, forty-five".