1043133420 has 96 divisors (see below), whose sum is σ = 3385138176. Its totient is φ = 235065600.

The previous prime is 1043133409. The next prime is 1043133433. The reversal of 1043133420 is 243313401.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12330 + ... + 47310.

It is an arithmetic number, because the mean of its divisors is an integer number (35261856).

Almost surely, 2^1043133420 is an apocalyptic number.

1043133420 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 1043133420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692569088).

1043133420 is an abundant number, since it is smaller than the sum of its proper divisors (2342004756).

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

1043133420 is a wasteful number, since it uses less digits than its factorization.

1043133420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35071 (or 35069 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1043133420 is about 32297.5760700397. The cubic root of 1043133420 is about 1014.1759009215.

Adding to 1043133420 its reverse (243313401), we get a palindrome (1286446821).

The spelling of 1043133420 in words is "one billion, forty-three million, one hundred thirty-three thousand, four hundred twenty".