1131417123 has 4 divisors (see below), whose sum is σ = 1508556168. Its totient is φ = 754278080.

The previous prime is 1131417121. The next prime is 1131417139. The reversal of 1131417123 is 3217141311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3217141311 = 3 ⋅1072380437.

It is a cyclic number.

It is not a de Polignac number, because 1131417123 - 2¹ = 1131417121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131417093 and 1131417102.

It is not an unprimeable number, because it can be changed into a prime (1131417121) 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, 188569518 + ... + 188569523.

It is an arithmetic number, because the mean of its divisors is an integer number (377139042).

Almost surely, 2^1131417123 is an apocalyptic number.

1131417123 is a deficient number, since it is larger than the sum of its proper divisors (377139045).

1131417123 is an equidigital number, since it uses as much as digits as its factorization.

1131417123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377139044.

The product of its digits is 504, while the sum is 24.

The square root of 1131417123 is about 33636.5444568850. The cubic root of 1131417123 is about 1042.0156676873.

Adding to 1131417123 its reverse (3217141311), we get a palindrome (4348558434).

The spelling of 1131417123 in words is "one billion, one hundred thirty-one million, four hundred seventeen thousand, one hundred twenty-three".