1241065135 has 4 divisors (see below), whose sum is σ = 1489278168. Its totient is φ = 992852104.

The previous prime is 1241065051. The next prime is 1241065153. The reversal of 1241065135 is 5315601421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1241065135 - 2¹⁷ = 1240934063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124106509 + ... + 124106518.

It is an arithmetic number, because the mean of its divisors is an integer number (372319542).

Almost surely, 2^1241065135 is an apocalyptic number.

1241065135 is a deficient number, since it is larger than the sum of its proper divisors (248213033).

1241065135 is an equidigital number, since it uses as much as digits as its factorization.

1241065135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248213032.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1241065135 is about 35228.7543776387. The cubic root of 1241065135 is about 1074.6445942483.

Adding to 1241065135 its reverse (5315601421), we get a palindrome (6556666556).

The spelling of 1241065135 in words is "one billion, two hundred forty-one million, sixty-five thousand, one hundred thirty-five".