1241154144 has 96 divisors (see below), whose sum is σ = 3628800000. Its totient is φ = 412716672.

The previous prime is 1241154133. The next prime is 1241154169. The reversal of 1241154144 is 4414511421.

It is a happy number.

1241154144 is a `hidden beast` number, since 1 + 241 + 1 + 5 + 414 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412357 + ... + 415355.

It is an arithmetic number, because the mean of its divisors is an integer number (37800000).

It is a self-describing number.

Almost surely, 2^1241154144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241154144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400000).

1241154144 is an abundant number, since it is smaller than the sum of its proper divisors (2387645856).

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

1241154144 is a wasteful number, since it uses less digits than its factorization.

1241154144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497 (or 3483 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1241154144 is about 35230.0176554029. The cubic root of 1241154144 is about 1074.6702847490.

Adding to 1241154144 its reverse (4414511421), we get a palindrome (5655665565).

The spelling of 1241154144 in words is "one billion, two hundred forty-one million, one hundred fifty-four thousand, one hundred forty-four".