1130321245 has 8 divisors (see below), whose sum is σ = 1436172984. Its totient is φ = 851065344.

The previous prime is 1130321239. The next prime is 1130321281. The reversal of 1130321245 is 5421230311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30536676 + 1099784569 = 5526^2 + 33163^2 .

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 1130321245 - 2¹⁹ = 1129796957 is a prime.

It is a super-2 number, since 2×1130321245² = 2555252233796700050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6648864 + ... + 6649033.

It is an arithmetic number, because the mean of its divisors is an integer number (179521623).

Almost surely, 2^1130321245 is an apocalyptic number.

It is an amenable number.

1130321245 is a deficient number, since it is larger than the sum of its proper divisors (305851739).

1130321245 is a wasteful number, since it uses less digits than its factorization.

1130321245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13297919.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1130321245 is about 33620.2505195901. The cubic root of 1130321245 is about 1041.6791307593.

Adding to 1130321245 its reverse (5421230311), we get a palindrome (6551551556).

The spelling of 1130321245 in words is "one billion, one hundred thirty million, three hundred twenty-one thousand, two hundred forty-five".