1148120725 has 6 divisors (see below), whose sum is σ = 1423669730. Its totient is φ = 918496560.

The previous prime is 1148120641. The next prime is 1148120731. The reversal of 1148120725 is 5270218411.

It can be written as a sum of positive squares in 3 ways, for example, as 334084 + 1147786641 = 578^2 + 33879^2 .

It is not a de Polignac number, because 1148120725 - 2¹³ = 1148112533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 22962390 + ... + 22962439.

Almost surely, 2^1148120725 is an apocalyptic number.

It is an amenable number.

1148120725 is a deficient number, since it is larger than the sum of its proper divisors (275549005).

1148120725 is an equidigital number, since it uses as much as digits as its factorization.

1148120725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45924839 (or 45924834 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1148120725 is about 33883.9301882175. The cubic root of 1148120725 is about 1047.1185473015.

The spelling of 1148120725 in words is "one billion, one hundred forty-eight million, one hundred twenty thousand, seven hundred twenty-five".