103021229 has 2 divisors, whose sum is σ = 103021230. Its totient is φ = 103021228.

The previous prime is 103021201. The next prime is 103021271. The reversal of 103021229 is 922120301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94051204 + 8970025 = 9698^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 103021229 - 2²⁰ = 101972653 is a prime.

It is a super-2 number, since 2×103021229² = 21226747249340882, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103021229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103021829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510614 + 51510615.

It is an arithmetic number, because the mean of its divisors is an integer number (51510615).

Almost surely, 2^103021229 is an apocalyptic number.

It is an amenable number.

103021229 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021229 is an equidigital number, since it uses as much as digits as its factorization.

103021229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 103021229 is about 10149.9373889695. The cubic root of 103021229 is about 468.7870170708.

The spelling of 103021229 in words is "one hundred three million, twenty-one thousand, two hundred twenty-nine".