1241216043 has 16 divisors (see below), whose sum is σ = 1666807296. Its totient is φ = 821573280.

The previous prime is 1241216029. The next prime is 1241216047. The reversal of 1241216043 is 3406121421.

It is not a de Polignac number, because 1241216043 - 2²² = 1237021739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241216047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247105 + ... + 252077.

It is an arithmetic number, because the mean of its divisors is an integer number (104175456).

Almost surely, 2^1241216043 is an apocalyptic number.

1241216043 is a deficient number, since it is larger than the sum of its proper divisors (425591253).

1241216043 is a wasteful number, since it uses less digits than its factorization.

1241216043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1241216043 is about 35230.8961424486. The cubic root of 1241216043 is about 1074.6881498172.

Adding to 1241216043 its reverse (3406121421), we get a palindrome (4647337464).

The spelling of 1241216043 in words is "one billion, two hundred forty-one million, two hundred sixteen thousand, forty-three".