1125445115 has 8 divisors (see below), whose sum is σ = 1354935120. Its totient is φ = 897422112.

The previous prime is 1125445103. The next prime is 1125445141. The reversal of 1125445115 is 5115445211.

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 1125445115 - 2⁶ = 1125445051 is a prime.

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, 365060 + ... + 368129.

It is an arithmetic number, because the mean of its divisors is an integer number (169366890).

Almost surely, 2^1125445115 is an apocalyptic number.

1125445115 is a deficient number, since it is larger than the sum of its proper divisors (229490005).

1125445115 is an equidigital number, since it uses as much as digits as its factorization.

1125445115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733501.

The product of its digits is 4000, while the sum is 29.

The square root of 1125445115 is about 33547.6543889435. The cubic root of 1125445115 is about 1040.1790603300.

The spelling of 1125445115 in words is "one billion, one hundred twenty-five million, four hundred forty-five thousand, one hundred fifteen".