1301112123 has 4 divisors (see below), whose sum is σ = 1734816168. Its totient is φ = 867408080.

The previous prime is 1301112121. The next prime is 1301112161. The reversal of 1301112123 is 3212111031.

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: 3212111031 = 3 ⋅1070703677.

It is a cyclic number.

It is not a de Polignac number, because 1301112123 - 2¹ = 1301112121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301112121) 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, 216852018 + ... + 216852023.

It is an arithmetic number, because the mean of its divisors is an integer number (433704042).

Almost surely, 2^1301112123 is an apocalyptic number.

1301112123 is a deficient number, since it is larger than the sum of its proper divisors (433704045).

1301112123 is an equidigital number, since it uses as much as digits as its factorization.

1301112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433704044.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1301112123 is about 36070.9318288286. The cubic root of 1301112123 is about 1091.7040156702.

Adding to 1301112123 its reverse (3212111031), we get a palindrome (4513223154).

The spelling of 1301112123 in words is "one billion, three hundred one million, one hundred twelve thousand, one hundred twenty-three".