1131078834 has 24 divisors (see below), whose sum is σ = 2529725952. Its totient is φ = 364863960.

The previous prime is 1131078821. The next prime is 1131078877. The reversal of 1131078834 is 4388701311.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1012954 + ... + 1014069.

It is an arithmetic number, because the mean of its divisors is an integer number (105405248).

Almost surely, 2^1131078834 is an apocalyptic number.

1131078834 is an abundant number, since it is smaller than the sum of its proper divisors (1398647118).

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

1131078834 is a wasteful number, since it uses less digits than its factorization.

1131078834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027062 (or 2027059 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1131078834 is about 33631.5154877088. The cubic root of 1131078834 is about 1041.9118045558.

The spelling of 1131078834 in words is "one billion, one hundred thirty-one million, seventy-eight thousand, eight hundred thirty-four".