1241321195 has 4 divisors (see below), whose sum is σ = 1489585440. Its totient is φ = 993056952.

The previous prime is 1241321171. The next prime is 1241321197. The reversal of 1241321195 is 5911231421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5911231421 = 3671 ⋅1610251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241321195 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241321197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124132115 + ... + 124132124.

It is an arithmetic number, because the mean of its divisors is an integer number (372396360).

Almost surely, 2^1241321195 is an apocalyptic number.

1241321195 is a deficient number, since it is larger than the sum of its proper divisors (248264245).

1241321195 is an equidigital number, since it uses as much as digits as its factorization.

1241321195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248264244.

The product of its digits is 2160, while the sum is 29.

The square root of 1241321195 is about 35232.3884373455. The cubic root of 1241321195 is about 1074.7184970501.

The spelling of 1241321195 in words is "one billion, two hundred forty-one million, three hundred twenty-one thousand, one hundred ninety-five".