1245248066 has 8 divisors (see below), whose sum is σ = 1868142540. Its totient is φ = 622533888.

The previous prime is 1245248063. The next prime is 1245248099. The reversal of 1245248066 is 6608425421.

It can be written as a sum of positive squares in 2 ways, for example, as 1138725025 + 106523041 = 33745^2 + 10321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1245248063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26231 + ... + 56378.

Almost surely, 2^1245248066 is an apocalyptic number.

1245248066 is a deficient number, since it is larger than the sum of its proper divisors (622894474).

1245248066 is an equidigital number, since it uses as much as digits as its factorization.

1245248066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90148.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 1245248066 is about 35288.0725741716. The cubic root of 1245248066 is about 1075.8505807498.

The spelling of 1245248066 in words is "one billion, two hundred forty-five million, two hundred forty-eight thousand, sixty-six".