1241438144 has 28 divisors (see below), whose sum is σ = 2465871624. Its totient is φ = 620116224.

The previous prime is 1241438117. The next prime is 1241438173. The reversal of 1241438144 is 4418341421.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1241438144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61079 + ... + 78825.

Almost surely, 2^1241438144 is an apocalyptic number.

It is an amenable number.

1241438144 is a deficient number, since it is larger than the sum of its proper divisors (1224433480).

1241438144 is a wasteful number, since it uses less digits than its factorization.

1241438144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18852 (or 18842 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 1241438144 is about 35234.0480785277. The cubic root of 1241438144 is about 1074.7522469254.

Adding to 1241438144 its reverse (4418341421), we get a palindrome (5659779565).

The spelling of 1241438144 in words is "one billion, two hundred forty-one million, four hundred thirty-eight thousand, one hundred forty-four".