1130655 has 8 divisors (see below), whose sum is σ = 1809072. Its totient is φ = 603008.

The previous prime is 1130651. The next prime is 1130677. The reversal of 1130655 is 5560311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1130655 - 2² = 1130651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130651) 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, 37674 + ... + 37703.

It is an arithmetic number, because the mean of its divisors is an integer number (226134).

2^1130655 is an apocalyptic number.

1130655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1130655 is a deficient number, since it is larger than the sum of its proper divisors (678417).

1130655 is an equidigital number, since it uses as much as digits as its factorization.

1130655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75385.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1130655 is about 1063.3226227256. The cubic root of 1130655 is about 104.1781647752.

Adding to 1130655 its reverse (5560311), we get a palindrome (6690966).

The spelling of 1130655 in words is "one million, one hundred thirty thousand, six hundred fifty-five".