1210143144 has 32 divisors (see below), whose sum is σ = 3457552320. Its totient is φ = 345755136.

The previous prime is 1210143107. The next prime is 1210143149. The reversal of 1210143144 is 4413410121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1210143144.

It is not an unprimeable number, because it can be changed into a prime (1210143149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601449 + ... + 3601784.

It is an arithmetic number, because the mean of its divisors is an integer number (108048510).

Almost surely, 2^1210143144 is an apocalyptic number.

1210143144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1210143144 is an abundant number, since it is smaller than the sum of its proper divisors (2247409176).

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

1210143144 is a wasteful number, since it uses less digits than its factorization.

1210143144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203249 (or 7203245 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1210143144 is about 34787.1117513369. Note that the first 3 decimals coincide. The cubic root of 1210143144 is about 1065.6442556515.

Adding to 1210143144 its reverse (4413410121), we get a palindrome (5623553265).

The spelling of 1210143144 in words is "one billion, two hundred ten million, one hundred forty-three thousand, one hundred forty-four".