103021207 has 4 divisors (see below), whose sum is σ = 109081296. Its totient is φ = 96961120.

The previous prime is 103021201. The next prime is 103021229. The reversal of 103021207 is 702120301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702120301 = 997 ⋅704233.

It is a cyclic number.

It is not a de Polignac number, because 103021207 - 2³ = 103021199 is a prime.

It is a super-2 number, since 2×103021207² = 21226738183473698, 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 (103021201) 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, 3030019 + ... + 3030052.

It is an arithmetic number, because the mean of its divisors is an integer number (27270324).

Almost surely, 2^103021207 is an apocalyptic number.

103021207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

103021207 is a deficient number, since it is larger than the sum of its proper divisors (6060089).

103021207 is an equidigital number, since it uses as much as digits as its factorization.

103021207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060088.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 103021207 is about 10149.9363052189. The cubic root of 103021207 is about 468.7869837012.

Adding to 103021207 its reverse (702120301), we get a palindrome (805141508).

The spelling of 103021207 in words is "one hundred three million, twenty-one thousand, two hundred seven".