1143114220 has 24 divisors (see below), whose sum is σ = 2427516000. Its totient is φ = 452107392.

The previous prime is 1143114209. The next prime is 1143114241. The reversal of 1143114220 is 224113411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319320 + ... + 322879.

It is an arithmetic number, because the mean of its divisors is an integer number (101146500).

Almost surely, 2^1143114220 is an apocalyptic number.

1143114220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143114220 is an abundant number, since it is smaller than the sum of its proper divisors (1284401780).

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

1143114220 is a wasteful number, since it uses less digits than its factorization.

1143114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642297 (or 642295 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1143114220 is about 33809.9721975633. The cubic root of 1143114220 is about 1045.5943049269.

Adding to 1143114220 its reverse (224113411), we get a palindrome (1367227631).

It can be divided in two parts, 11431 and 14220, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 1143114220 in words is "one billion, one hundred forty-three million, one hundred fourteen thousand, two hundred twenty".