1130281193 has 8 divisors (see below), whose sum is σ = 1201032360. Its totient is φ = 1060003840.

The previous prime is 1130281189. The next prime is 1130281211. The reversal of 1130281193 is 3911820311.

It can be written as a sum of positive squares in 4 ways, for example, as 426546409 + 703734784 = 20653^2 + 26528^2 .

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 1130281193 - 2² = 1130281189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1130281133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113528 + ... + 123081.

It is an arithmetic number, because the mean of its divisors is an integer number (150129045).

Almost surely, 2^1130281193 is an apocalyptic number.

It is an amenable number.

1130281193 is a deficient number, since it is larger than the sum of its proper divisors (70751167).

1130281193 is a wasteful number, since it uses less digits than its factorization.

1130281193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236907.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1130281193 is about 33619.6548614051. The cubic root of 1130281193 is about 1041.6668269340. Note that the first 3 decimals are identical.

The spelling of 1130281193 in words is "one billion, one hundred thirty million, two hundred eighty-one thousand, one hundred ninety-three".