1134431020 has 12 divisors (see below), whose sum is σ = 2382305184. Its totient is φ = 453772400.

The previous prime is 1134430993. The next prime is 1134431021. The reversal of 1134431020 is 201344311.

It is not an unprimeable number, because it can be changed into a prime (1134431021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28360756 + ... + 28360795.

It is an arithmetic number, because the mean of its divisors is an integer number (198525432).

Almost surely, 2^1134431020 is an apocalyptic number.

1134431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134431020 is an abundant number, since it is smaller than the sum of its proper divisors (1247874164).

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

1134431020 is a wasteful number, since it uses less digits than its factorization.

1134431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56721560 (or 56721558 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1134431020 is about 33681.3155918827. The cubic root of 1134431020 is about 1042.9400963957.

Adding to 1134431020 its reverse (201344311), we get a palindrome (1335775331).

The spelling of 1134431020 in words is "one billion, one hundred thirty-four million, four hundred thirty-one thousand, twenty".