1252241847 has 12 divisors (see below), whose sum is σ = 1809451800. Its totient is φ = 834524208.

The previous prime is 1252241843. The next prime is 1252241849. The reversal of 1252241847 is 7481422521.

1252241847 is a `hidden beast` number, since 12 + 522 + 41 + 84 + 7 = 666.

It is not a de Polignac number, because 1252241847 - 2² = 1252241843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252241843) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2404 + ... + 50102.

It is an arithmetic number, because the mean of its divisors is an integer number (150787650).

Almost surely, 2^1252241847 is an apocalyptic number.

1252241847 is a deficient number, since it is larger than the sum of its proper divisors (557209953).

1252241847 is a wasteful number, since it uses less digits than its factorization.

1252241847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50622 (or 50619 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 1252241847 is about 35387.0293610526. The cubic root of 1252241847 is about 1077.8609487990.

The spelling of 1252241847 in words is "one billion, two hundred fifty-two million, two hundred forty-one thousand, eight hundred forty-seven".