1125973313 has 4 divisors (see below), whose sum is σ = 1149930240. Its totient is φ = 1102016388.

The previous prime is 1125973301. The next prime is 1125973339. The reversal of 1125973313 is 3133795211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1125973313 - 2⁴ = 1125973297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125973613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11978393 + ... + 11978486.

It is an arithmetic number, because the mean of its divisors is an integer number (287482560).

Almost surely, 2^1125973313 is an apocalyptic number.

It is an amenable number.

1125973313 is a deficient number, since it is larger than the sum of its proper divisors (23956927).

1125973313 is an equidigital number, since it uses as much as digits as its factorization.

1125973313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23956926.

The product of its digits is 17010, while the sum is 35.

The square root of 1125973313 is about 33555.5258191553. The cubic root of 1125973313 is about 1040.3417617544.

The spelling of 1125973313 in words is "one billion, one hundred twenty-five million, nine hundred seventy-three thousand, three hundred thirteen".