1192138485 has 16 divisors (see below), whose sum is σ = 1914466560. Its totient is φ = 633458880.

The previous prime is 1192138477. The next prime is 1192138499. The reversal of 1192138485 is 5848312911.

It is not a de Polignac number, because 1192138485 - 2³ = 1192138477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142570 + ... + 150699.

It is an arithmetic number, because the mean of its divisors is an integer number (119654160).

Almost surely, 2^1192138485 is an apocalyptic number.

1192138485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1192138485 is a deficient number, since it is larger than the sum of its proper divisors (722328075).

1192138485 is a wasteful number, since it uses less digits than its factorization.

1192138485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293548.

The product of its digits is 69120, while the sum is 42.

The square root of 1192138485 is about 34527.3585001807. The cubic root of 1192138485 is about 1060.3328979922.

The spelling of 1192138485 in words is "one billion, one hundred ninety-two million, one hundred thirty-eight thousand, four hundred eighty-five".