1131300123 has 8 divisors (see below), whose sum is σ = 1549167888. Its totient is φ = 733816224.

The previous prime is 1131300113. The next prime is 1131300133. The reversal of 1131300123 is 3210031311.

It is an interprime number because it is at equal distance from previous prime (1131300113) and next prime (1131300133).

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

It is not a de Polignac number, because 1131300123 - 2²⁶ = 1064191259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131300113) 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, 5095836 + ... + 5096057.

It is an arithmetic number, because the mean of its divisors is an integer number (193645986).

Almost surely, 2^1131300123 is an apocalyptic number.

1131300123 is a deficient number, since it is larger than the sum of its proper divisors (417867765).

1131300123 is a wasteful number, since it uses less digits than its factorization.

1131300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191933.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1131300123 is about 33634.8052320807. The cubic root of 1131300123 is about 1041.9797481214.

Adding to 1131300123 its reverse (3210031311), we get a palindrome (4341331434).

The spelling of 1131300123 in words is "one billion, one hundred thirty-one million, three hundred thousand, one hundred twenty-three".