1130321251 has 8 divisors (see below), whose sum is σ = 1189185984. Its totient is φ = 1072946880.

The previous prime is 1130321239. The next prime is 1130321281. The reversal of 1130321251 is 1521230311.

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 1130321251 - 2⁵ = 1130321219 is a prime.

It is a super-2 number, since 2×1130321251² = 2555252260924410002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130321201) 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, 371035 + ... + 374068.

It is an arithmetic number, because the mean of its divisors is an integer number (148648248).

Almost surely, 2^1130321251 is an apocalyptic number.

1130321251 is a deficient number, since it is larger than the sum of its proper divisors (58864733).

1130321251 is an equidigital number, since it uses as much as digits as its factorization.

1130321251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745181.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1130321251 is about 33620.2506088221. The cubic root of 1130321251 is about 1041.6791326025.

Adding to 1130321251 its reverse (1521230311), we get a palindrome (2651551562).

The spelling of 1130321251 in words is "one billion, one hundred thirty million, three hundred twenty-one thousand, two hundred fifty-one".