1030021093 has 4 divisors (see below), whose sum is σ = 1031291968. Its totient is φ = 1028750220.

The previous prime is 1030021087. The next prime is 1030021123. The reversal of 1030021093 is 3901200301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1030021093 - 2¹³ = 1030012901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030021093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030021033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634221 + ... + 635842.

It is an arithmetic number, because the mean of its divisors is an integer number (257822992).

Almost surely, 2^1030021093 is an apocalyptic number.

It is an amenable number.

1030021093 is a deficient number, since it is larger than the sum of its proper divisors (1270875).

1030021093 is an equidigital number, since it uses as much as digits as its factorization.

1030021093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270874.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1030021093 is about 32093.9416868667. The cubic root of 1030021093 is about 1009.9085278072.

Adding to 1030021093 its reverse (3901200301), we get a palindrome (4931221394).

The spelling of 1030021093 in words is "one billion, thirty million, twenty-one thousand, ninety-three".