1001300123 has 4 divisors (see below), whose sum is σ = 1001426928. Its totient is φ = 1001173320.

The previous prime is 1001300117. The next prime is 1001300143. The reversal of 1001300123 is 3210031001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001300123 - 2¹⁶ = 1001234587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001300143) 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, 50711 + ... + 67632.

It is an arithmetic number, because the mean of its divisors is an integer number (250356732).

Almost surely, 2^1001300123 is an apocalyptic number.

1001300123 is a deficient number, since it is larger than the sum of its proper divisors (126805).

1001300123 is an equidigital number, since it uses as much as digits as its factorization.

1001300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126804.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1001300123 is about 31643.3266740398. The cubic root of 1001300123 is about 1000.4331866556.

Adding to 1001300123 its reverse (3210031001), we get a palindrome (4211331124).

The spelling of 1001300123 in words is "one billion, one million, three hundred thousand, one hundred twenty-three".