1248942106 has 4 divisors (see below), whose sum is σ = 1873413162. Its totient is φ = 624471052.

The previous prime is 1248942091. The next prime is 1248942151. The reversal of 1248942106 is 6012498421.

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

It can be written as a sum of positive squares in only one way, i.e., 904505625 + 344436481 = 30075^2 + 18559^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 312235525 + ... + 312235528.

Almost surely, 2^1248942106 is an apocalyptic number.

1248942106 is a deficient number, since it is larger than the sum of its proper divisors (624471056).

1248942106 is an equidigital number, since it uses as much as digits as its factorization.

1248942106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624471055.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1248942106 is about 35340.3750121585. The cubic root of 1248942106 is about 1076.9133707762.

The spelling of 1248942106 in words is "one billion, two hundred forty-eight million, nine hundred forty-two thousand, one hundred six".