1043450920 has 16 divisors (see below), whose sum is σ = 2347764660. Its totient is φ = 417380352.

The previous prime is 1043450893. The next prime is 1043450951. The reversal of 1043450920 is 290543401.

It can be written as a sum of positive squares in 2 ways, for example, as 1036968804 + 6482116 = 32202^2 + 2546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13043097 + ... + 13043176.

Almost surely, 2^1043450920 is an apocalyptic number.

1043450920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043450920 is an abundant number, since it is smaller than the sum of its proper divisors (1304313740).

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

1043450920 is a wasteful number, since it uses less digits than its factorization.

1043450920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26086284 (or 26086280 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1043450920 is about 32302.4909256237. The cubic root of 1043450920 is about 1014.2787858701.

The spelling of 1043450920 in words is "one billion, forty-three million, four hundred fifty thousand, nine hundred twenty".