1442120200 has 96 divisors (see below), whose sum is σ = 3561334560. Its totient is φ = 541209600.

The previous prime is 1442120189. The next prime is 1442120209. The reversal of 1442120200 is 20212441.

It is not an unprimeable number, because it can be changed into a prime (1442120209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1777795 + ... + 1778605.

It is an arithmetic number, because the mean of its divisors is an integer number (37097235).

Almost surely, 2^1442120200 is an apocalyptic number.

1442120200 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 1442120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780667280).

1442120200 is an abundant number, since it is smaller than the sum of its proper divisors (2119214360).

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

1442120200 is a wasteful number, since it uses less digits than its factorization.

1442120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1442120200 is about 37975.2577344776. The cubic root of 1442120200 is about 1129.7971808178.

Adding to 1442120200 its reverse (20212441), we get a palindrome (1462332641).

The spelling of 1442120200 in words is "one billion, four hundred forty-two million, one hundred twenty thousand, two hundred".