1142003200 has 120 divisors (see below), whose sum is σ = 3047492448. Its totient is φ = 421601280.

The previous prime is 1142003147. The next prime is 1142003207. The reversal of 1142003200 is 23002411.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142003207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162969 + ... + 169831.

Almost surely, 2^1142003200 is an apocalyptic number.

1142003200 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 1142003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523746224).

1142003200 is an abundant number, since it is smaller than the sum of its proper divisors (1905489248).

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

1142003200 is an equidigital number, since it uses as much as digits as its factorization.

1142003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6904 (or 6883 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1142003200 is about 33793.5378437949. The cubic root of 1142003200 is about 1045.2554491003.

Adding to 1142003200 its reverse (23002411), we get a palindrome (1165005611).

The spelling of 1142003200 in words is "one billion, one hundred forty-two million, three thousand, two hundred".