1241130551 has 4 divisors (see below), whose sum is σ = 1267537632. Its totient is φ = 1214723472.

The previous prime is 1241130529. The next prime is 1241130581. The reversal of 1241130551 is 1550311421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1550311421 = 11717 ⋅132313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241130551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241130581) 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 3 ways as a sum of consecutive naturals, for example, 13203470 + ... + 13203563.

It is an arithmetic number, because the mean of its divisors is an integer number (316884408).

Almost surely, 2^1241130551 is an apocalyptic number.

1241130551 is a deficient number, since it is larger than the sum of its proper divisors (26407081).

1241130551 is an equidigital number, since it uses as much as digits as its factorization.

1241130551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26407080.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1241130551 is about 35229.6828115156. The cubic root of 1241130551 is about 1074.6634752653.

Adding to 1241130551 its reverse (1550311421), we get a palindrome (2791441972).

The spelling of 1241130551 in words is "one billion, two hundred forty-one million, one hundred thirty thousand, five hundred fifty-one".