1130251 has 2 divisors, whose sum is σ = 1130252. Its totient is φ = 1130250.

The previous prime is 1130237. The next prime is 1130257. The reversal of 1130251 is 1520311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1130251 - 2⁷ = 1130123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565125 + 565126.

It is an arithmetic number, because the mean of its divisors is an integer number (565126).

2^1130251 is an apocalyptic number.

1130251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130251 is an equidigital number, since it uses as much as digits as its factorization.

1130251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1130251 is about 1063.1326351872. The cubic root of 1130251 is about 104.1657551565.

Adding to 1130251 its reverse (1520311), we get a palindrome (2650562).

The spelling of 1130251 in words is "one million, one hundred thirty thousand, two hundred fifty-one".