1242435 has 16 divisors (see below), whose sum is σ = 2008224. Its totient is φ = 655872.

The previous prime is 1242421. The next prime is 1242457. The reversal of 1242435 is 5342421.

It is not a de Polignac number, because 1242435 - 2⁴ = 1242419 is a prime.

1242435 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1329 + ... + 2061.

It is an arithmetic number, because the mean of its divisors is an integer number (125514).

2^1242435 is an apocalyptic number.

1242435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1242435 is a deficient number, since it is larger than the sum of its proper divisors (765789).

1242435 is a wasteful number, since it uses less digits than its factorization.

1242435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854.

The product of its digits is 960, while the sum is 21.

The square root of 1242435 is about 1114.6456836143. The cubic root of 1242435 is about 107.5039839879.

Adding to 1242435 its reverse (5342421), we get a palindrome (6584856).

The spelling of 1242435 in words is "one million, two hundred forty-two thousand, four hundred thirty-five".