1125403347 has 8 divisors (see below), whose sum is σ = 1525970880. Its totient is φ = 737552360.

The previous prime is 1125403343. The next prime is 1125403361. The reversal of 1125403347 is 7433045211.

It is a happy number.

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 1125403347 - 2² = 1125403343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125403343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3178929 + ... + 3179282.

It is an arithmetic number, because the mean of its divisors is an integer number (190746360).

Almost surely, 2^1125403347 is an apocalyptic number.

1125403347 is a deficient number, since it is larger than the sum of its proper divisors (400567533).

1125403347 is an equidigital number, since it uses as much as digits as its factorization.

1125403347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358273.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1125403347 is about 33547.0318657255. The cubic root of 1125403347 is about 1040.1661923143.

Adding to 1125403347 its reverse (7433045211), we get a palindrome (8558448558).

It can be divided in two parts, 1125403 and 347, that added together give a triangular number (1125750 = T₁₅₀₀).

The spelling of 1125403347 in words is "one billion, one hundred twenty-five million, four hundred three thousand, three hundred forty-seven".