1130 has 8 divisors (see below), whose sum is σ = 2052. Its totient is φ = 448.

The previous prime is 1129. The next prime is 1151. The reversal of 1130 is 311.

1130 = T_{4} + T_{5} + ... +
T_{18}.

1130 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 961 + 169 = 31^2 + 13^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a magnanimous number.

1130 is an undulating number in base 15.

It is the 25-th Perrin number.

It is a plaindrome in base 13, base 14 and base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47 + ... + 66.

1130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1130 is a deficient number, since it is larger than the sum of its proper divisors (922).

1130 is a wasteful number, since it uses less digits than its factorization.

1130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120.

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 1130 is about 33.6154726279. The cubic root of 1130 is about 10.4158043731.

Adding to 1130 its reverse (311), we get a palindrome (1441).

It can be divided in two parts, 1 and 130, that added together give a palindrome (131).

The spelling of 1130 in words is "one thousand, one hundred thirty".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.030 sec. • engine limits •