1130810501 has 4 divisors (see below), whose sum is σ = 1130920812. Its totient is φ = 1130700192.

The previous prime is 1130810449. The next prime is 1130810507. The reversal of 1130810501 is 1050180311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1050180311 = 67 ⋅15674333.

It can be written as a sum of positive squares in 2 ways, for example, as 644652100 + 486158401 = 25390^2 + 22049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130810501 - 2²⁶ = 1063701637 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 (1130810507) 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, 38000 + ... + 60873.

It is an arithmetic number, because the mean of its divisors is an integer number (282730203).

Almost surely, 2^1130810501 is an apocalyptic number.

It is an amenable number.

1130810501 is a deficient number, since it is larger than the sum of its proper divisors (110311).

1130810501 is an equidigital number, since it uses as much as digits as its factorization.

1130810501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110310.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 1130810501 is about 33627.5259422991. The cubic root of 1130810501 is about 1041.8294049259.

Adding to 1130810501 its reverse (1050180311), we get a palindrome (2180990812).

It can be divided in two parts, 1130810 and 501, that added together give a palindrome (1131311).

The spelling of 1130810501 in words is "one billion, one hundred thirty million, eight hundred ten thousand, five hundred one".