1241156421184 has 63 divisors (see below), whose sum is σ = 2481504714273. Its totient is φ = 615930302208.

The previous prime is 1241156421151. The next prime is 1241156421187. The reversal of 1241156421184 is 4811246511421.

The square root of 1241156421184 is 1114072.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 363801985600 + 877354435584 = 603160^2 + 936672^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241156421187) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1399273989 + ... + 1399274875.

Almost surely, 2^{1241156421184} is an apocalyptic number.

1241156421184 is the 1114072-nd square number.

It is an amenable number.

1241156421184 is a deficient number, since it is larger than the sum of its proper divisors (1240348293089).

1241156421184 is an frugal number, since it uses more digits than its factorization.

1241156421184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 1046 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The spelling of 1241156421184 in words is "one trillion, two hundred forty-one billion, one hundred fifty-six million, four hundred twenty-one thousand, one hundred eighty-four".