1442100 has 144 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 316800.

The previous prime is 1442087. The next prime is 1442143. The reversal of 1442100 is 12441.

1442100 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62689 + ... + 62711.

It is an arithmetic number, because the mean of its divisors is an integer number (34720).

2^1442100 is an apocalyptic number.

1442100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499840).

1442100 is an abundant number, since it is smaller than the sum of its proper divisors (3557580).

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

1442100 is a wasteful number, since it uses less digits than its factorization.

1442100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1442100 is about 1200.8746812220. The cubic root of 1442100 is about 112.9791905712.

Adding to 1442100 its reverse (12441), we get a palindrome (1454541).

The spelling of 1442100 in words is "one million, four hundred forty-two thousand, one hundred".