1092978125 has 12 divisors (see below), whose sum is σ = 1366139124. Its totient is φ = 874380000.

The previous prime is 1092978083. The next prime is 1092978157. The reversal of 1092978125 is 5218792901.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 637966564 + 455011561 = 25258^2 + 21331^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1092978125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 171752 + ... + 178001.

It is an arithmetic number, because the mean of its divisors is an integer number (113844927).

Almost surely, 2^1092978125 is an apocalyptic number.

It is an amenable number.

1092978125 is a deficient number, since it is larger than the sum of its proper divisors (273160999).

1092978125 is an frugal number, since it uses more digits than its factorization.

1092978125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349778 (or 349758 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1092978125 is about 33060.2196756162. The cubic root of 1092978125 is about 1030.0788970890.

The spelling of 1092978125 in words is "one billion, ninety-two million, nine hundred seventy-eight thousand, one hundred twenty-five".