1241425919 has 2 divisors, whose sum is σ = 1241425920. Its totient is φ = 1241425918.

The previous prime is 1241425891. The next prime is 1241425963. The reversal of 1241425919 is 9195241421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1241425919 - 2¹² = 1241421823 is a prime.

It is a super-2 number, since 2×1241425919² = 3082276624729989122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241415919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620712959 + 620712960.

It is an arithmetic number, because the mean of its divisors is an integer number (620712960).

Almost surely, 2^1241425919 is an apocalyptic number.

1241425919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241425919 is an equidigital number, since it uses as much as digits as its factorization.

1241425919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 1241425919 is about 35233.8745953379. The cubic root of 1241425919 is about 1074.7487190575.

The spelling of 1241425919 in words is "one billion, two hundred forty-one million, four hundred twenty-five thousand, nine hundred nineteen".