1241106245 has 4 divisors (see below), whose sum is σ = 1489327500. Its totient is φ = 992884992.

The previous prime is 1241106211. The next prime is 1241106257. The reversal of 1241106245 is 5426011421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5426011421 = 829 ⋅6545249.

It can be written as a sum of positive squares in 2 ways, for example, as 422631364 + 818474881 = 20558^2 + 28609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241106245 is a prime.

It is a super-2 number, since 2×1241106245² = 3080689422756000050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 124110620 + ... + 124110629.

It is an arithmetic number, because the mean of its divisors is an integer number (372331875).

Almost surely, 2^1241106245 is an apocalyptic number.

It is an amenable number.

1241106245 is a deficient number, since it is larger than the sum of its proper divisors (248221255).

1241106245 is an equidigital number, since it uses as much as digits as its factorization.

1241106245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248221254.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1241106245 is about 35229.3378450405. The cubic root of 1241106245 is about 1074.6564599031.

Adding to 1241106245 its reverse (5426011421), we get a palindrome (6667117666).

The spelling of 1241106245 in words is "one billion, two hundred forty-one million, one hundred six thousand, two hundred forty-five".