1142102300 has 72 divisors (see below), whose sum is σ = 2548805616. Its totient is φ = 444021760.

The previous prime is 1142102261. The next prime is 1142102323. The reversal of 1142102300 is 32012411.

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 23 ways as a sum of consecutive naturals, for example, 597947 + ... + 599853.

It is an arithmetic number, because the mean of its divisors is an integer number (35400078).

Almost surely, 2^1142102300 is an apocalyptic number.

1142102300 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 1142102300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274402808).

1142102300 is an abundant number, since it is smaller than the sum of its proper divisors (1406703316).

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

1142102300 is a wasteful number, since it uses less digits than its factorization.

1142102300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1142102300 is about 33795.0040686490. The cubic root of 1142102300 is about 1045.2856830550.

Adding to 1142102300 its reverse (32012411), we get a palindrome (1174114711).

The spelling of 1142102300 in words is "one billion, one hundred forty-two million, one hundred two thousand, three hundred".