1241240011 has 8 divisors (see below), whose sum is σ = 1412953344. Its totient is φ = 1079338920.

The previous prime is 1241240003. The next prime is 1241240041. The reversal of 1241240011 is 1100421421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1241240011 - 2³ = 1241240003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241240041) 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 7 ways as a sum of consecutive naturals, for example, 2452791 + ... + 2453296.

It is an arithmetic number, because the mean of its divisors is an integer number (176619168).

Almost surely, 2^1241240011 is an apocalyptic number.

1241240011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1241240011 is a deficient number, since it is larger than the sum of its proper divisors (171713333).

1241240011 is a wasteful number, since it uses less digits than its factorization.

1241240011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906121.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1241240011 is about 35231.2362967864. The cubic root of 1241240011 is about 1074.6950672161.

Adding to 1241240011 its reverse (1100421421), we get a palindrome (2341661432).

The spelling of 1241240011 in words is "one billion, two hundred forty-one million, two hundred forty thousand, eleven".