1241225143 has 8 divisors (see below), whose sum is σ = 1313888400. Its totient is φ = 1170552768.

The previous prime is 1241225137. The next prime is 1241225147. The reversal of 1241225143 is 3415221421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241225143 - 2⁹ = 1241224631 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 (1241225147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496438 + ... + 498931.

It is an arithmetic number, because the mean of its divisors is an integer number (164236050).

Almost surely, 2^1241225143 is an apocalyptic number.

1241225143 is a deficient number, since it is larger than the sum of its proper divisors (72663257).

1241225143 is an equidigital number, since it uses as much as digits as its factorization.

1241225143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995441.

The product of its digits is 1920, while the sum is 25.

The square root of 1241225143 is about 35231.0252902183. The cubic root of 1241225143 is about 1074.6907761766.

Adding to 1241225143 its reverse (3415221421), we get a palindrome (4656446564).

The spelling of 1241225143 in words is "one billion, two hundred forty-one million, two hundred twenty-five thousand, one hundred forty-three".