1125519783 has 16 divisors (see below), whose sum is σ = 1553385600. Its totient is φ = 724031840.

The previous prime is 1125519719. The next prime is 1125519793. The reversal of 1125519783 is 3879155211.

It is a cyclic number.

It is not a de Polignac number, because 1125519783 - 2⁶ = 1125519719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125519793) 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 15 ways as a sum of consecutive naturals, for example, 200728 + ... + 206258.

It is an arithmetic number, because the mean of its divisors is an integer number (97086600).

Almost surely, 2^1125519783 is an apocalyptic number.

1125519783 is a deficient number, since it is larger than the sum of its proper divisors (427865817).

1125519783 is a wasteful number, since it uses less digits than its factorization.

1125519783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902.

The product of its digits is 75600, while the sum is 42.

The square root of 1125519783 is about 33548.7672351757. The cubic root of 1125519783 is about 1040.2020634872.

The spelling of 1125519783 in words is "one billion, one hundred twenty-five million, five hundred nineteen thousand, seven hundred eighty-three".