1030505072 has 20 divisors (see below), whose sum is σ = 2021879520. Its totient is φ = 508729728.

The previous prime is 1030505059. The next prime is 1030505107. The reversal of 1030505072 is 2705050301.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 406373 + ... + 408900.

It is an arithmetic number, because the mean of its divisors is an integer number (101093976).

Almost surely, 2^1030505072 is an apocalyptic number.

It is an amenable number.

1030505072 is a deficient number, since it is larger than the sum of its proper divisors (991374448).

1030505072 is an equidigital number, since it uses as much as digits as its factorization.

1030505072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815360 (or 815354 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1030505072 is about 32101.4808381171. The cubic root of 1030505072 is about 1010.0666792563.

Adding to 1030505072 its reverse (2705050301), we get a palindrome (3735555373).

The spelling of 1030505072 in words is "one billion, thirty million, five hundred five thousand, seventy-two".