103021133 has 12 divisors (see below), whose sum is σ = 106304700. Its totient is φ = 99832512.

The previous prime is 103021099. The next prime is 103021157. The reversal of 103021133 is 331120301.

It can be written as a sum of positive squares in 2 ways, for example, as 4674244 + 98346889 = 2162^2 + 9917^2 .

It is not a de Polignac number, because 103021133 - 2¹⁸ = 102758989 is a prime.

It is a super-2 number, since 2×103021133² = 21226707689207378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328985 + ... + 329297.

It is an arithmetic number, because the mean of its divisors is an integer number (8858725).

Almost surely, 2^103021133 is an apocalyptic number.

It is an amenable number.

103021133 is a deficient number, since it is larger than the sum of its proper divisors (3283567).

103021133 is an equidigital number, since it uses as much as digits as its factorization.

103021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 103021133 is about 10149.9326598751. The cubic root of 103021133 is about 468.7868714582.

Adding to 103021133 its reverse (331120301), we get a palindrome (434141434).

The spelling of 103021133 in words is "one hundred three million, twenty-one thousand, one hundred thirty-three".