1195968144 has 80 divisors (see below), whose sum is σ = 3558883328. Its totient is φ = 339002496.

The previous prime is 1195968143. The next prime is 1195968181. The reversal of 1195968144 is 4418695911.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1195968093 and 1195968102.

It is not an unprimeable number, because it can be changed into a prime (1195968143) 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 15 ways as a sum of consecutive naturals, for example, 28659 + ... + 56685.

Almost surely, 2^1195968144 is an apocalyptic number.

1195968144 is a gapful number since it is divisible by the number (14) 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 1195968144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779441664).

1195968144 is an abundant number, since it is smaller than the sum of its proper divisors (2362915184).

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

1195968144 is a wasteful number, since it uses less digits than its factorization.

1195968144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28172 (or 28166 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 1195968144 is about 34582.7723585024. The cubic root of 1195968144 is about 1061.4670986942.

The spelling of 1195968144 in words is "one billion, one hundred ninety-five million, nine hundred sixty-eight thousand, one hundred forty-four".