1125486091 has 8 divisors (see below), whose sum is σ = 1161720800. Its totient is φ = 1089557568.

The previous prime is 1125486083. The next prime is 1125486101. The reversal of 1125486091 is 1906845211.

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 1125486091 - 2³ = 1125486083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125486091.

It is not an unprimeable number, because it can be changed into a prime (1125486001) 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, 69066 + ... + 83791.

It is an arithmetic number, because the mean of its divisors is an integer number (145215100).

Almost surely, 2^1125486091 is an apocalyptic number.

1125486091 is a deficient number, since it is larger than the sum of its proper divisors (36234709).

1125486091 is a wasteful number, since it uses less digits than its factorization.

1125486091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153093.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 1125486091 is about 33548.2650967230. The cubic root of 1125486091 is about 1040.1916840346.

The spelling of 1125486091 in words is "one billion, one hundred twenty-five million, four hundred eighty-six thousand, ninety-one".