1125575171 has 8 divisors (see below), whose sum is σ = 1286757120. Its totient is φ = 964489608.

The previous prime is 1125575161. The next prime is 1125575177. The reversal of 1125575171 is 1715755211.

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 1125575171 - 2¹⁸ = 1125313027 is a prime.

It is a super-3 number, since 3×1125575171³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125575177) 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, 2960 + ... + 47538.

It is an arithmetic number, because the mean of its divisors is an integer number (160844640).

Almost surely, 2^1125575171 is an apocalyptic number.

1125575171 is a deficient number, since it is larger than the sum of its proper divisors (161181949).

1125575171 is an equidigital number, since it uses as much as digits as its factorization.

1125575171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48193.

The product of its digits is 12250, while the sum is 35.

The square root of 1125575171 is about 33549.5927098974. The cubic root of 1125575171 is about 1040.2191263494.

The spelling of 1125575171 in words is "one billion, one hundred twenty-five million, five hundred seventy-five thousand, one hundred seventy-one".