1134221240 has 16 divisors (see below), whose sum is σ = 2551997880. Its totient is φ = 453688480.

The previous prime is 1134221201. The next prime is 1134221261. The reversal of 1134221240 is 421224311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14177726 + ... + 14177805.

Almost surely, 2^1134221240 is an apocalyptic number.

1134221240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134221240 is an abundant number, since it is smaller than the sum of its proper divisors (1417776640).

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

1134221240 is a wasteful number, since it uses less digits than its factorization.

1134221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28355542 (or 28355538 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1134221240 is about 33678.2012583808. The cubic root of 1134221240 is about 1042.8758052938.

Adding to 1134221240 its reverse (421224311), we get a palindrome (1555445551).

The spelling of 1134221240 in words is "one billion, one hundred thirty-four million, two hundred twenty-one thousand, two hundred forty".