1030403140 has 72 divisors (see below), whose sum is σ = 2383274880. Its totient is φ = 373935744.

The previous prime is 1030403113. The next prime is 1030403173. The reversal of 1030403140 is 413040301.

1030403140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196837 + ... + 202003.

It is an arithmetic number, because the mean of its divisors is an integer number (33101040).

Almost surely, 2^1030403140 is an apocalyptic number.

1030403140 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 1030403140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191637440).

1030403140 is an abundant number, since it is smaller than the sum of its proper divisors (1352871740).

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

1030403140 is a wasteful number, since it uses less digits than its factorization.

1030403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261 (or 5246 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030403140 is about 32099.8931462396. The cubic root of 1030403140 is about 1010.0333747100.

Adding to 1030403140 its reverse (413040301), we get a palindrome (1443443441).

The spelling of 1030403140 in words is "one billion, thirty million, four hundred three thousand, one hundred forty".