1131800007 has 24 divisors (see below), whose sum is σ = 1726386256. Its totient is φ = 655515648.

The previous prime is 1131799967. The next prime is 1131800011. The reversal of 1131800007 is 7000081311.

It is not a de Polignac number, because 1131800007 - 2⁶ = 1131799943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131800507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38938 + ... + 61479.

Almost surely, 2^1131800007 is an apocalyptic number.

1131800007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1131800007 is a deficient number, since it is larger than the sum of its proper divisors (594586249).

1131800007 is a wasteful number, since it uses less digits than its factorization.

1131800007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100467 (or 100450 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1131800007 is about 33642.2354637738. The cubic root of 1131800007 is about 1042.1331976186.

Adding to 1131800007 its reverse (7000081311), we get a palindrome (8131881318).

The spelling of 1131800007 in words is "one billion, one hundred thirty-one million, eight hundred thousand, seven".