1133442420 has 48 divisors (see below), whose sum is σ = 3462153408. Its totient is φ = 274773760.

The previous prime is 1133442419. The next prime is 1133442493. The reversal of 1133442420 is 242443311.

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 15 ways as a sum of consecutive naturals, for example, 858009 + ... + 859328.

It is an arithmetic number, because the mean of its divisors is an integer number (72128196).

Almost surely, 2^1133442420 is an apocalyptic number.

1133442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133442420 is an abundant number, since it is smaller than the sum of its proper divisors (2328710988).

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

1133442420 is a wasteful number, since it uses less digits than its factorization.

1133442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717360 (or 1717358 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1133442420 is about 33666.6366006466. The cubic root of 1133442420 is about 1042.6370516067.

Adding to 1133442420 its reverse (242443311), we get a palindrome (1375885731).

The spelling of 1133442420 in words is "one billion, one hundred thirty-three million, four hundred forty-two thousand, four hundred twenty".