1125156327 has 4 divisors (see below), whose sum is σ = 1500208440. Its totient is φ = 750104216.

The previous prime is 1125156311. The next prime is 1125156341. The reversal of 1125156327 is 7236515211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1125156327 - 2⁴ = 1125156311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125156367) 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 3 ways as a sum of consecutive naturals, for example, 187526052 + ... + 187526057.

It is an arithmetic number, because the mean of its divisors is an integer number (375052110).

Almost surely, 2^1125156327 is an apocalyptic number.

1125156327 is a deficient number, since it is larger than the sum of its proper divisors (375052113).

1125156327 is an equidigital number, since it uses as much as digits as its factorization.

1125156327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375052112.

The product of its digits is 12600, while the sum is 33.

The square root of 1125156327 is about 33543.3499668712. The cubic root of 1125156327 is about 1040.0900831116.

The spelling of 1125156327 in words is "one billion, one hundred twenty-five million, one hundred fifty-six thousand, three hundred twenty-seven".