1424142 has 40 divisors (see below), whose sum is σ = 3267000. Its totient is φ = 463536.

The previous prime is 1424123. The next prime is 1424149. The reversal of 1424142 is 2414241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424149) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9484 + ... + 9632.

It is an arithmetic number, because the mean of its divisors is an integer number (81675).

2^1424142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1633500).

1424142 is an abundant number, since it is smaller than the sum of its proper divisors (1842858).

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

1424142 is a wasteful number, since it uses less digits than its factorization.

1424142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 213 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 1424142 is about 1193.3742078661. The cubic root of 1424142 is about 112.5082660593.

Adding to 1424142 its reverse (2414241), we get a palindrome (3838383).

Subtracting 1424142 from its reverse (2414241), we obtain a palindrome (990099).

The spelling of 1424142 in words is "one million, four hundred twenty-four thousand, one hundred forty-two".