1123001001301 has 4 divisors (see below), whose sum is σ = 1123010638092. Its totient is φ = 1122991364512.

The previous prime is 1123001001299. The next prime is 1123001001307. The reversal of 1123001001301 is 1031001003211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 580988475076 + 542012526225 = 762226^2 + 736215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123001001301 - 2¹ = 1123001001299 is a prime.

It is a super-2 number, since 2×1123001001301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123001001307) 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, 4641430 + ... + 4877383.

It is an arithmetic number, because the mean of its divisors is an integer number (280752659523).

Almost surely, 2^{1123001001301} is an apocalyptic number.

It is an amenable number.

1123001001301 is a deficient number, since it is larger than the sum of its proper divisors (9636791).

1123001001301 is an equidigital number, since it uses as much as digits as its factorization.

1123001001301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636790.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1123001001301 its reverse (1031001003211), we get a palindrome (2154002004512).

The spelling of 1123001001301 in words is "one trillion, one hundred twenty-three billion, one million, one thousand, three hundred one".