1424642 has 4 divisors (see below), whose sum is σ = 2136966. Its totient is φ = 712320.

The previous prime is 1424603. The next prime is 1424659. The reversal of 1424642 is 2464241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 58081 = 1169^2 + 241^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356159 + ... + 356162.

2^1424642 is an apocalyptic number.

1424642 is a deficient number, since it is larger than the sum of its proper divisors (712324).

1424642 is an equidigital number, since it uses as much as digits as its factorization.

1424642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712323.

The product of its digits is 1536, while the sum is 23.

The square root of 1424642 is about 1193.5836795131. The cubic root of 1424642 is about 112.5214313080.

Adding to 1424642 its reverse (2464241), we get a palindrome (3888883).

The spelling of 1424642 in words is "one million, four hundred twenty-four thousand, six hundred forty-two".