1133412420 has 192 divisors, whose sum is σ = 3762339840. Its totient is φ = 249580032.

The previous prime is 1133412409. The next prime is 1133412433. The reversal of 1133412420 is 242143311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1312909 + ... + 1313771.

It is an arithmetic number, because the mean of its divisors is an integer number (19595520).

Almost surely, 2^1133412420 is an apocalyptic number.

1133412420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133412420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881169920).

1133412420 is an abundant number, since it is smaller than the sum of its proper divisors (2628927420).

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

1133412420 is a wasteful number, since it uses less digits than its factorization.

1133412420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1133412420 is about 33666.1910527461. The cubic root of 1133412420 is about 1042.6278526722.

Adding to 1133412420 its reverse (242143311), we get a palindrome (1375555731).

The spelling of 1133412420 in words is "one billion, one hundred thirty-three million, four hundred twelve thousand, four hundred twenty".