1241156268 has 288 divisors, whose sum is σ = 3824271360. Its totient is φ = 335301120.

The previous prime is 1241156261. The next prime is 1241156309. The reversal of 1241156268 is 8626511421.

It is a happy number.

1241156268 is a `hidden beast` number, since 1 + 24 + 1 + 1 + 5 + 626 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1241156261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9772821 + ... + 9772947.

It is an arithmetic number, because the mean of its divisors is an integer number (13278720).

Almost surely, 2^1241156268 is an apocalyptic number.

1241156268 is a gapful number since it is divisible by the number (18) 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 1241156268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912135680).

1241156268 is an abundant number, since it is smaller than the sum of its proper divisors (2583115092).

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

1241156268 is a wasteful number, since it uses less digits than its factorization.

1241156268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 232 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1241156268 is about 35230.0478001379. The cubic root of 1241156268 is about 1074.6708977801.

Adding to 1241156268 its reverse (8626511421), we get a palindrome (9867667689).

The spelling of 1241156268 in words is "one billion, two hundred forty-one million, one hundred fifty-six thousand, two hundred sixty-eight".