1248922641 has 8 divisors (see below), whose sum is σ = 1666453824. Its totient is φ = 832003280.

The previous prime is 1248922583. The next prime is 1248922657. The reversal of 1248922641 is 1462298421.

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 1248922641 - 2¹¹ = 1248920593 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1248922641.

It is not an unprimeable number, because it can be changed into a prime (1248922841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148170 + ... + 156371.

It is an arithmetic number, because the mean of its divisors is an integer number (208306728).

Almost surely, 2^1248922641 is an apocalyptic number.

It is an amenable number.

1248922641 is a deficient number, since it is larger than the sum of its proper divisors (417531183).

1248922641 is a wasteful number, since it uses less digits than its factorization.

1248922641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305911.

The product of its digits is 55296, while the sum is 39.

The square root of 1248922641 is about 35340.0996178562. The cubic root of 1248922641 is about 1076.9077761140.

The spelling of 1248922641 in words is "one billion, two hundred forty-eight million, nine hundred twenty-two thousand, six hundred forty-one".