1030320121 has 16 divisors (see below), whose sum is σ = 1094860800. Its totient is φ = 967545040.

The previous prime is 1030320107. The next prime is 1030320209. The reversal of 1030320121 is 1210230301.

It is a cyclic number.

It is not a de Polignac number, because 1030320121 - 2¹³ = 1030311929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030320521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428280 + ... + 430678.

It is an arithmetic number, because the mean of its divisors is an integer number (68428800).

Almost surely, 2^1030320121 is an apocalyptic number.

It is an amenable number.

1030320121 is a deficient number, since it is larger than the sum of its proper divisors (64540679).

1030320121 is a wasteful number, since it uses less digits than its factorization.

1030320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1030320121 is about 32098.5999850461. The cubic root of 1030320121 is about 1010.0062480416.

Adding to 1030320121 its reverse (1210230301), we get a palindrome (2240550422).

The spelling of 1030320121 in words is "one billion, thirty million, three hundred twenty thousand, one hundred twenty-one".