1143102120 has 32 divisors (see below), whose sum is σ = 3429306720. Its totient is φ = 304827200.

The previous prime is 1143102101. The next prime is 1143102127. The reversal of 1143102120 is 212013411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1143102120.

It is not an unprimeable number, because it can be changed into a prime (1143102127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4762806 + ... + 4763045.

It is an arithmetic number, because the mean of its divisors is an integer number (107165835).

Almost surely, 2^1143102120 is an apocalyptic number.

1143102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143102120 is an abundant number, since it is smaller than the sum of its proper divisors (2286204600).

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

1143102120 is a wasteful number, since it uses less digits than its factorization.

1143102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525865 (or 9525861 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1143102120 is about 33809.7932558009. The cubic root of 1143102120 is about 1045.5906156671.

Adding to 1143102120 its reverse (212013411), we get a palindrome (1355115531).

The spelling of 1143102120 in words is "one billion, one hundred forty-three million, one hundred two thousand, one hundred twenty".