1241512272 has 720 divisors, whose sum is σ = 5042593920. Its totient is φ = 287400960.

The previous prime is 1241512271. The next prime is 1241512291. The reversal of 1241512272 is 2722151421.

It is a happy number.

1241512272 is a `hidden beast` number, since 124 + 1 + 512 + 27 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241512271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 42810754 + ... + 42810782.

Almost surely, 2^1241512272 is an apocalyptic number.

1241512272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241512272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2521296960).

1241512272 is an abundant number, since it is smaller than the sum of its proper divisors (3801081648).

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

1241512272 is a wasteful number, since it uses less digits than its factorization.

1241512272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 65 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 1241512272 is about 35235.0999998581. The cubic root of 1241512272 is about 1074.7736381507.

Adding to 1241512272 its reverse (2722151421), we get a palindrome (3963663693).

The spelling of 1241512272 in words is "one billion, two hundred forty-one million, five hundred twelve thousand, two hundred seventy-two".