1054435220 has 24 divisors (see below), whose sum is σ = 2215767624. Its totient is φ = 421497216.

The previous prime is 1054435201. The next prime is 1054435223. The reversal of 1054435220 is 225344501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 1054171024 = 514^2 + 32468^2 .

It is a super-2 number, since 2×1054435220² = 2223667266352896800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054435220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054435223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15434 + ... + 48446.

It is an arithmetic number, because the mean of its divisors is an integer number (92323651).

Almost surely, 2^1054435220 is an apocalyptic number.

1054435220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054435220 is an abundant number, since it is smaller than the sum of its proper divisors (1161332404).

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

1054435220 is a wasteful number, since it uses less digits than its factorization.

1054435220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34619 (or 34617 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1054435220 is about 32472.0683049294. The cubic root of 1054435220 is about 1017.8254390664.

Adding to 1054435220 its reverse (225344501), we get a palindrome (1279779721).

The spelling of 1054435220 in words is "one billion, fifty-four million, four hundred thirty-five thousand, two hundred twenty".