1013248123 has 4 divisors (see below), whose sum is σ = 1030421880. Its totient is φ = 996074368.

The previous prime is 1013248099. The next prime is 1013248151. The reversal of 1013248123 is 3218423101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3218423101 = 163 ⋅19744927.

It is a cyclic number.

It is not a de Polignac number, because 1013248123 - 2⁵ = 1013248091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013248193) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8586790 + ... + 8586907.

It is an arithmetic number, because the mean of its divisors is an integer number (257605470).

Almost surely, 2^1013248123 is an apocalyptic number.

1013248123 is a deficient number, since it is larger than the sum of its proper divisors (17173757).

1013248123 is an equidigital number, since it uses as much as digits as its factorization.

1013248123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17173756.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1013248123 is about 31831.5586014886. The cubic root of 1013248123 is about 1004.3966818582.

The spelling of 1013248123 in words is "one billion, thirteen million, two hundred forty-eight thousand, one hundred twenty-three".