1241165135 has 24 divisors (see below), whose sum is σ = 1758896928. Its totient is φ = 823608000.

The previous prime is 1241165069. The next prime is 1241165147. The reversal of 1241165135 is 5315611421.

It is not a de Polignac number, because 1241165135 - 2¹² = 1241161039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241165098 and 1241165107.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15185 + ... + 52085.

It is an arithmetic number, because the mean of its divisors is an integer number (73287372).

Almost surely, 2^1241165135 is an apocalyptic number.

1241165135 is a deficient number, since it is larger than the sum of its proper divisors (517731793).

1241165135 is an equidigital number, since it uses as much as digits as its factorization.

1241165135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36975 (or 36944 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 1241165135 is about 35230.1736441931. The cubic root of 1241165135 is about 1074.6734569755.

Adding to 1241165135 its reverse (5315611421), we get a palindrome (6556776556).

The spelling of 1241165135 in words is "one billion, two hundred forty-one million, one hundred sixty-five thousand, one hundred thirty-five".