1190878992 has 30 divisors (see below), whose sum is σ = 3332807582. Its totient is φ = 396959616.

The previous prime is 1190878967. The next prime is 1190878993. The reversal of 1190878992 is 2998780911.

It can be written as a sum of positive squares in only one way, i.e., 1187767296 + 3111696 = 34464^2 + 1764^2 .

It is not an unprimeable number, because it can be changed into a prime (1190878993) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4134853 + ... + 4135140.

Almost surely, 2^1190878992 is an apocalyptic number.

1190878992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1190878992 is an abundant number, since it is smaller than the sum of its proper divisors (2141928590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1190878992 is a wasteful number, since it uses less digits than its factorization.

1190878992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270007 (or 8269998 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 54.

The square root of 1190878992 is about 34509.1146220821. The cubic root of 1190878992 is about 1059.9593528973.

The spelling of 1190878992 in words is "one billion, one hundred ninety million, eight hundred seventy-eight thousand, nine hundred ninety-two".