1148219125 has 8 divisors (see below), whose sum is σ = 1432977624. Its totient is φ = 918575200.

The previous prime is 1148219123. The next prime is 1148219129. The reversal of 1148219125 is 5219128411.

It can be written as a sum of positive squares in 4 ways, for example, as 5846724 + 1142372401 = 2418^2 + 33799^2 .

It is not a de Polignac number, because 1148219125 - 2¹ = 1148219123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148219123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4592752 + ... + 4593001.

It is an arithmetic number, because the mean of its divisors is an integer number (179122203).

Almost surely, 2^1148219125 is an apocalyptic number.

It is an amenable number.

1148219125 is a deficient number, since it is larger than the sum of its proper divisors (284758499).

1148219125 is an frugal number, since it uses more digits than its factorization.

1148219125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185768 (or 9185758 counting only the distinct ones).

The product of its digits is 5760, while the sum is 34.

The square root of 1148219125 is about 33885.3821728485. The cubic root of 1148219125 is about 1047.1484609738.

It can be divided in two parts, 11 and 48219125, that added together give a square (48219136 = 6944²).

The spelling of 1148219125 in words is "one billion, one hundred forty-eight million, two hundred nineteen thousand, one hundred twenty-five".