1425743 has 6 divisors (see below), whose sum is σ = 1567272. Its totient is φ = 1296020.

The previous prime is 1425733. The next prime is 1425757. The reversal of 1425743 is 3475241.

It is not a de Polignac number, because 1425743 - 2¹² = 1421647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425733) 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 5 ways as a sum of consecutive naturals, for example, 5771 + ... + 6012.

It is an arithmetic number, because the mean of its divisors is an integer number (261212).

2^1425743 is an apocalyptic number.

1425743 is a deficient number, since it is larger than the sum of its proper divisors (141529).

1425743 is a wasteful number, since it uses less digits than its factorization.

1425743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805 (or 11794 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 1425743 is about 1194.0448065295. The cubic root of 1425743 is about 112.5504103300.

It can be divided in two parts, 142 and 5743, that added together give a palindrome (5885).

The spelling of 1425743 in words is "one million, four hundred twenty-five thousand, seven hundred forty-three".