1241240133 has 16 divisors (see below), whose sum is σ = 1896782976. Its totient is φ = 707266560.

The previous prime is 1241240131. The next prime is 1241240137. The reversal of 1241240133 is 3310421421.

It is not a de Polignac number, because 1241240133 - 2¹ = 1241240131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241240131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76308 + ... + 91133.

It is an arithmetic number, because the mean of its divisors is an integer number (118548936).

Almost surely, 2^1241240133 is an apocalyptic number.

It is an amenable number.

1241240133 is a deficient number, since it is larger than the sum of its proper divisors (655542843).

1241240133 is a wasteful number, since it uses less digits than its factorization.

1241240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167804.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1241240133 is about 35231.2380282045. The cubic root of 1241240133 is about 1074.6951024263.

Adding to 1241240133 its reverse (3310421421), we get a palindrome (4551661554).

The spelling of 1241240133 in words is "one billion, two hundred forty-one million, two hundred forty thousand, one hundred thirty-three".