1241623853 has 2 divisors, whose sum is σ = 1241623854. Its totient is φ = 1241623852.

The previous prime is 1241623847. The next prime is 1241623861. The reversal of 1241623853 is 3583261421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653415844 + 588208009 = 25562^2 + 24253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241623853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241623843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620811926 + 620811927.

It is an arithmetic number, because the mean of its divisors is an integer number (620811927).

Almost surely, 2^1241623853 is an apocalyptic number.

It is an amenable number.

1241623853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241623853 is an equidigital number, since it uses as much as digits as its factorization.

1241623853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 1241623853 is about 35236.6833427892. The cubic root of 1241623853 is about 1074.8058356374.

The spelling of 1241623853 in words is "one billion, two hundred forty-one million, six hundred twenty-three thousand, eight hundred fifty-three".