1241244172 has 48 divisors (see below), whose sum is σ = 2504775168. Its totient is φ = 527212800.

The previous prime is 1241244163. The next prime is 1241244187. The reversal of 1241244172 is 2714421421.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1241244172.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2548513 + ... + 2548999.

It is an arithmetic number, because the mean of its divisors is an integer number (52182816).

Almost surely, 2^1241244172 is an apocalyptic number.

It is an amenable number.

1241244172 is an abundant number, since it is smaller than the sum of its proper divisors (1263530996).

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

1241244172 is a wasteful number, since it uses less digits than its factorization.

1241244172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 1241244172 is about 35231.2953494475. The cubic root of 1241244172 is about 1074.6962681123.

Adding to 1241244172 its reverse (2714421421), we get a palindrome (3955665593).

The spelling of 1241244172 in words is "one billion, two hundred forty-one million, two hundred forty-four thousand, one hundred seventy-two".