1131054234 has 16 divisors (see below), whose sum is σ = 2395173888. Its totient is φ = 354840512.

The previous prime is 1131054209. The next prime is 1131054247. The reversal of 1131054234 is 4324501311.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 5544282 + ... + 5544485.

It is an arithmetic number, because the mean of its divisors is an integer number (149698368).

Almost surely, 2^1131054234 is an apocalyptic number.

1131054234 is an abundant number, since it is smaller than the sum of its proper divisors (1264119654).

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

1131054234 is a wasteful number, since it uses less digits than its factorization.

1131054234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11088789.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1131054234 is about 33631.1497573306. The cubic root of 1131054234 is about 1041.9042509367.

Adding to 1131054234 its reverse (4324501311), we get a palindrome (5455555545).

The spelling of 1131054234 in words is "one billion, one hundred thirty-one million, fifty-four thousand, two hundred thirty-four".