1148027669 has 4 divisors (see below), whose sum is σ = 1187614860. Its totient is φ = 1108440480.

The previous prime is 1148027653. The next prime is 1148027693. The reversal of 1148027669 is 9667208411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 814417444 + 333610225 = 28538^2 + 18265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148027669 - 2⁴ = 1148027653 is a prime.

It is a super-2 number, since 2×1148027669² = 2635935057579147122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148017669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19793552 + ... + 19793609.

It is an arithmetic number, because the mean of its divisors is an integer number (296903715).

Almost surely, 2^1148027669 is an apocalyptic number.

It is an amenable number.

1148027669 is a deficient number, since it is larger than the sum of its proper divisors (39587191).

1148027669 is an equidigital number, since it uses as much as digits as its factorization.

1148027669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39587190.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1148027669 is about 33882.5570020918. The cubic root of 1148027669 is about 1047.0902566365.

The spelling of 1148027669 in words is "one billion, one hundred forty-eight million, twenty-seven thousand, six hundred sixty-nine".