1125436517 has 8 divisors (see below), whose sum is σ = 1129658400. Its totient is φ = 1121222224.

The previous prime is 1125436513. The next prime is 1125436577. The reversal of 1125436517 is 7156345211.

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 1125436517 - 2² = 1125436513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125436513) 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, 628898 + ... + 630684.

It is an arithmetic number, because the mean of its divisors is an integer number (141207300).

Almost surely, 2^1125436517 is an apocalyptic number.

It is an amenable number.

1125436517 is a deficient number, since it is larger than the sum of its proper divisors (4221883).

1125436517 is a wasteful number, since it uses less digits than its factorization.

1125436517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its digits is 25200, while the sum is 35.

The square root of 1125436517 is about 33547.5262426308. The cubic root of 1125436517 is about 1040.1764114574.

The spelling of 1125436517 in words is "one billion, one hundred twenty-five million, four hundred thirty-six thousand, five hundred seventeen".