1148670297221 has 8 divisors (see below), whose sum is σ = 1216334706840. Its totient is φ = 1081016506368.

The previous prime is 1148670297167. The next prime is 1148670297259. The reversal of 1148670297221 is 1227920768411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 703100697121 + 445569600100 = 838511^2 + 667510^2 .

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 1148670297221 - 2¹⁸ = 1148670035077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148670297221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148670297421) 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 7 ways as a sum of consecutive naturals, for example, 2431436 + ... + 2865173.

It is an arithmetic number, because the mean of its divisors is an integer number (152041838355).

Almost surely, 2^{1148670297221} is an apocalyptic number.

It is an amenable number.

1148670297221 is a deficient number, since it is larger than the sum of its proper divisors (67664409619).

1148670297221 is a wasteful number, since it uses less digits than its factorization.

1148670297221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309383.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 1148670297221 in words is "one trillion, one hundred forty-eight billion, six hundred seventy million, two hundred ninety-seven thousand, two hundred twenty-one".