1131303121123 has 8 divisors (see below), whose sum is σ = 1368971844192. Its totient is φ = 912647895936.

The previous prime is 1131303121103. The next prime is 1131303121183. The reversal of 1131303121123 is 3211213031311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131303121123 - 2³⁷ = 993864167651 is a prime.

It is a super-2 number, since 2×1131303121123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131303121094 and 1131303121103.

It is not an unprimeable number, because it can be changed into a prime (1131303121103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4753374340 + ... + 4753374577.

It is an arithmetic number, because the mean of its divisors is an integer number (171121480524).

Almost surely, 2^{1131303121123} is an apocalyptic number.

1131303121123 is a deficient number, since it is larger than the sum of its proper divisors (237668723069).

1131303121123 is an equidigital number, since it uses as much as digits as its factorization.

1131303121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9506748941.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1131303121123 its reverse (3211213031311), we get a palindrome (4342516152434).

The spelling of 1131303121123 in words is "one trillion, one hundred thirty-one billion, three hundred three million, one hundred twenty-one thousand, one hundred twenty-three".