1035421320 has 128 divisors (see below), whose sum is σ = 3243363840. Its totient is φ = 264176640.

The previous prime is 1035421313. The next prime is 1035421351. The reversal of 1035421320 is 231245301.

It is a super-3 number, since 3×1035421320³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268929 + ... + 272751.

It is an arithmetic number, because the mean of its divisors is an integer number (25338780).

Almost surely, 2^1035421320 is an apocalyptic number.

1035421320 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 1035421320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621681920).

1035421320 is an abundant number, since it is smaller than the sum of its proper divisors (2207942520).

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

1035421320 is a wasteful number, since it uses less digits than its factorization.

1035421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935 (or 3931 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1035421320 is about 32177.9632668073. The cubic root of 1035421320 is about 1011.6703790921.

Adding to 1035421320 its reverse (231245301), we get a palindrome (1266666621).

The spelling of 1035421320 in words is "one billion, thirty-five million, four hundred twenty-one thousand, three hundred twenty".